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30623926 = 2110913807
BaseRepresentation
bin111010011010…
…0100010110110
32010121212010111
41310310202312
530314431201
63012213234
7521204404
oct164644266
963555114
1030623926
1116317233
12a30a21a
136462c88
1440d2474
152a4db51
hex1d348b6

30623926 has 8 divisors (see below), whose sum is σ = 45980640. Its totient is φ = 15297048.

The previous prime is 30623917. The next prime is 30623981. The reversal of 30623926 is 62932603.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4686 + ... + 9121.

It is an arithmetic number, because the mean of its divisors is an integer number (5747580).

Almost surely, 230623926 is an apocalyptic number.

30623926 is a deficient number, since it is larger than the sum of its proper divisors (15356714).

30623926 is a wasteful number, since it uses less digits than its factorization.

30623926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 30623926 is about 5533.8888676951. Note that the first 4 decimals coincide. The cubic root of 30623926 is about 312.8625798986.

The spelling of 30623926 in words is "thirty million, six hundred twenty-three thousand, nine hundred twenty-six".

Divisors: 1 2 1109 2218 13807 27614 15311963 30623926