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82970601 = 3731233547
BaseRepresentation
bin1001111001000…
…00011111101001
312210010100021020
410330200133221
5132220024401
612122203053
72025144540
oct474403751
9183110236
1082970601
114292004a
1223953489
131426053c
14b03b157
15743dd36
hex4f207e9

82970601 has 32 divisors (see below), whose sum is σ = 131309568. Its totient is φ = 45601920.

The previous prime is 82970567. The next prime is 82970603. The reversal of 82970601 is 10607928.

It is not a de Polignac number, because 82970601 - 214 = 82954217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82970603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151410 + ... + 151956.

It is an arithmetic number, because the mean of its divisors is an integer number (4103424).

Almost surely, 282970601 is an apocalyptic number.

It is an amenable number.

82970601 is a deficient number, since it is larger than the sum of its proper divisors (48338967).

82970601 is a wasteful number, since it uses less digits than its factorization.

82970601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 82970601 is about 9108.8199565037. The cubic root of 82970601 is about 436.1555588484.

The spelling of 82970601 in words is "eighty-two million, nine hundred seventy thousand, six hundred one".

Divisors: 1 3 7 21 31 93 217 233 547 651 699 1631 1641 3829 4893 7223 11487 16957 21669 50561 50871 118699 127451 151683 356097 382353 892157 2676471 3950981 11852943 27656867 82970601