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82970624 = 2111129127
BaseRepresentation
bin1001111001000…
…00100000000000
312210010100022002
410330200200000
5132220024444
612122203132
72025144602
oct474404000
9183110262
1082970624
1142920070
12239534a8
1314260559
14b03b172
15743dd4e
hex4f20800

82970624 has 96 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 36126720.

The previous prime is 82970621. The next prime is 82970639. The reversal of 82970624 is 42607928.

It is not an unprimeable number, because it can be changed into a prime (82970621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653249 + ... + 653375.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 282970624 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 82970624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

82970624 is an abundant number, since it is smaller than the sum of its proper divisors (105726976).

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

82970624 is a wasteful number, since it uses less digits than its factorization.

82970624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 82970624 is about 9108.8212190162. The cubic root of 82970624 is about 436.1555991501.

The spelling of 82970624 in words is "eighty-two million, nine hundred seventy thousand, six hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 29 32 44 58 64 88 116 127 128 176 232 254 256 319 352 464 508 512 638 704 928 1016 1024 1276 1397 1408 1856 2032 2048 2552 2794 2816 3683 3712 4064 5104 5588 5632 7366 7424 8128 10208 11176 11264 14732 14848 16256 20416 22352 22528 29464 29696 32512 40513 40832 44704 58928 59392 65024 81026 81664 89408 117856 130048 162052 163328 178816 235712 260096 324104 326656 357632 471424 648208 653312 715264 942848 1296416 1430528 1885696 2592832 2861056 3771392 5185664 7542784 10371328 20742656 41485312 82970624