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30296928 = 253315593
BaseRepresentation
bin111001110010…
…0101101100000
32010000020120110
41303210231200
530224000203
63001211320
7515343144
oct163445540
963006513
1030296928
1116113592
12a190b40
13637a19c
144049224
1529d6d03
hex1ce4b60

30296928 has 24 divisors (see below), whose sum is σ = 79529688. Its totient is φ = 10098944.

The previous prime is 30296921. The next prime is 30296933. The reversal of 30296928 is 82969203.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30296921) 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, 157701 + ... + 157892.

It is an arithmetic number, because the mean of its divisors is an integer number (3313737).

Almost surely, 230296928 is an apocalyptic number.

It is an amenable number.

30296928 is an abundant number, since it is smaller than the sum of its proper divisors (49232760).

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

30296928 is a wasteful number, since it uses less digits than its factorization.

30296928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315606 (or 315598 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 30296928 is about 5504.2645285269. The cubic root of 30296928 is about 311.7450250834.

The spelling of 30296928 in words is "thirty million, two hundred ninety-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 315593 631186 946779 1262372 1893558 2524744 3787116 5049488 7574232 10098976 15148464 30296928