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61070976 = 273341431
BaseRepresentation
bin1110100011110…
…1111010000000
311020220201122000
43220331322000
5111113232401
610020544000
71341044331
oct350757200
9136821560
1061070976
113152258a
1218552000
13c863595
14817a288
155565186
hex3a3de80

61070976 has 128 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 19814400.

The previous prime is 61070927. The next prime is 61071007. The reversal of 61070976 is 67907016.

61070976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61070976.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141481 + ... + 141911.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 261070976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61070976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

61070976 is an abundant number, since it is smaller than the sum of its proper divisors (123997824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61070976 is a wasteful number, since it uses less digits than its factorization.

61070976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 61070976 is about 7814.7921277536. The cubic root of 61070976 is about 393.8023349937.

The spelling of 61070976 in words is "sixty-one million, seventy thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 64 72 82 96 108 123 128 144 164 192 216 246 288 328 369 384 431 432 492 576 656 738 862 864 984 1107 1152 1293 1312 1476 1724 1728 1968 2214 2586 2624 2952 3448 3456 3879 3936 4428 5172 5248 5904 6896 7758 7872 8856 10344 11637 11808 13792 15516 15744 17671 17712 20688 23274 23616 27584 31032 35342 35424 41376 46548 47232 53013 55168 62064 70684 70848 82752 93096 106026 124128 141368 141696 159039 165504 186192 212052 248256 282736 318078 372384 424104 477117 496512 565472 636156 744768 848208 954234 1130944 1272312 1489536 1696416 1908468 2261888 2544624 3392832 3816936 5089248 6785664 7633872 10178496 15267744 20356992 30535488 61070976