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30976894 = 2134129059
BaseRepresentation
bin111011000101…
…0101101111110
32011021210022101
41312022231332
530412230034
63023535314
7524204434
oct166125576
964253271
1030976894
1116538443
12a45a53a
136557830
144184d54
152abd514
hex1d8ab7e

30976894 has 16 divisors (see below), whose sum is σ = 51261840. Its totient is φ = 13947840.

The previous prime is 30976889. The next prime is 30976903. The reversal of 30976894 is 49867903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13464 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (3203865).

Almost surely, 230976894 is an apocalyptic number.

30976894 is a deficient number, since it is larger than the sum of its proper divisors (20284946).

30976894 is a wasteful number, since it uses less digits than its factorization.

30976894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29115.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 30976894 is about 5565.6889959824. The cubic root of 30976894 is about 314.0599977309.

The spelling of 30976894 in words is "thirty million, nine hundred seventy-six thousand, eight hundred ninety-four".

Divisors: 1 2 13 26 41 82 533 1066 29059 58118 377767 755534 1191419 2382838 15488447 30976894