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61494708 = 223111034523
BaseRepresentation
bin1110101010010…
…1010110110100
311021201020212210
43222211112310
5111220312313
610034013420
71344460602
oct352452664
9137636783
1061494708
1131791980
1218717270
13c981402
14824a872
1555ea9c3
hex3aa55b4

61494708 has 48 divisors (see below), whose sum is σ = 158086656. Its totient is φ = 18449760.

The previous prime is 61494701. The next prime is 61494721. The reversal of 61494708 is 80749416.

It is a happy number.

It is a super-2 number, since 2×614947082 = 7563198224010528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61494701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11335 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (3293472).

Almost surely, 261494708 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 61494708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79043328).

61494708 is an abundant number, since it is smaller than the sum of its proper divisors (96591948).

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

61494708 is a wasteful number, since it uses less digits than its factorization.

61494708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 61494708 is about 7841.8561578239. The cubic root of 61494708 is about 394.7110165317.

The spelling of 61494708 in words is "sixty-one million, four hundred ninety-four thousand, seven hundred eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 412 618 1133 1236 2266 3399 4523 4532 6798 9046 13569 13596 18092 27138 49753 54276 99506 149259 199012 298518 465869 597036 931738 1397607 1863476 2795214 5124559 5590428 10249118 15373677 20498236 30747354 61494708