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3172992105 = 35211532807
BaseRepresentation
bin1011110100100000…
…0000010001101001
322012010112200220010
42331020000101221
522444241221410
61242504122133
7141425662563
oct27510002151
98163480803
103172992105
111389086a28
12746766349
133b74a372a
14221598333
15138865c20
hexbd200469

3172992105 has 8 divisors (see below), whose sum is σ = 5076787392. Its totient is φ = 1692262448.

The previous prime is 3172992079. The next prime is 3172992107. The reversal of 3172992105 is 5012992713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3172992105 - 26 = 3172992041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3172992107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105766389 + ... + 105766418.

It is an arithmetic number, because the mean of its divisors is an integer number (634598424).

Almost surely, 23172992105 is an apocalyptic number.

It is an amenable number.

3172992105 is a deficient number, since it is larger than the sum of its proper divisors (1903795287).

3172992105 is a wasteful number, since it uses less digits than its factorization.

3172992105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211532815.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 3172992105 is about 56329.3183431151. The cubic root of 3172992105 is about 1469.4551338061.

The spelling of 3172992105 in words is "three billion, one hundred seventy-two million, nine hundred ninety-two thousand, one hundred five".

Divisors: 1 3 5 15 211532807 634598421 1057664035 3172992105