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30976732 = 2271109073
BaseRepresentation
bin111011000101…
…0101011011100
32011021210002101
41312022223130
530412223412
63023534444
7524204113
oct166125334
964253071
1030976732
1116538306
12a45a424
136557737
144184c7a
152abd457
hex1d8aadc

30976732 has 12 divisors (see below), whose sum is σ = 54973296. Its totient is φ = 15270080.

The previous prime is 30976721. The next prime is 30976739. The reversal of 30976732 is 23767903.

It is a junction number, because it is equal to n+sod(n) for n = 30976691 and 30976700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30976739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54253 + ... + 54820.

It is an arithmetic number, because the mean of its divisors is an integer number (4581108).

Almost surely, 230976732 is an apocalyptic number.

It is an amenable number.

30976732 is a deficient number, since it is larger than the sum of its proper divisors (23996564).

30976732 is a wasteful number, since it uses less digits than its factorization.

30976732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109148 (or 109146 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 30976732 is about 5565.6744425092. The cubic root of 30976732 is about 314.0594502497.

The spelling of 30976732 in words is "thirty million, nine hundred seventy-six thousand, seven hundred thirty-two".

Divisors: 1 2 4 71 142 284 109073 218146 436292 7744183 15488366 30976732