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23058930 = 235768631
BaseRepresentation
bin101011111110…
…1100111110010
31121101111220110
41113331213302
521400341210
62142122150
7366666126
oct127754762
947344813
1023058930
111201a574
127880356
134a1484b
1430c3586
152057420
hex15fd9f2

23058930 has 16 divisors (see below), whose sum is σ = 55341504. Its totient is φ = 6149040.

The previous prime is 23058923. The next prime is 23058941. The reversal of 23058930 is 3985032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 768631 = 23058930 / (2 + 3 + 0 + 5 + 8 + 9 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384286 + ... + 384345.

It is an arithmetic number, because the mean of its divisors is an integer number (3458844).

Almost surely, 223058930 is an apocalyptic number.

23058930 is an abundant number, since it is smaller than the sum of its proper divisors (32282574).

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

23058930 is a wasteful number, since it uses less digits than its factorization.

23058930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768641.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23058930 is about 4801.9714701360. The cubic root of 23058930 is about 284.6293735703.

The spelling of 23058930 in words is "twenty-three million, fifty-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 768631 1537262 2305893 3843155 4611786 7686310 11529465 23058930