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16230788 = 2271930509
BaseRepresentation
bin111101111010…
…100110000100
31010112121110022
4331322212010
513123341123
61335514312
7254650040
oct75724604
933477408
1016230788
119186482
125528998
133493922
142227020
1516591c8
hexf7a984

16230788 has 24 divisors (see below), whose sum is σ = 34171200. Its totient is φ = 6589728.

The previous prime is 16230707. The next prime is 16230811. The reversal of 16230788 is 88703261.

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 7 ways as a sum of consecutive naturals, for example, 14723 + ... + 15786.

It is an arithmetic number, because the mean of its divisors is an integer number (1423800).

Almost surely, 216230788 is an apocalyptic number.

It is an amenable number.

16230788 is an abundant number, since it is smaller than the sum of its proper divisors (17940412).

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

16230788 is a wasteful number, since it uses less digits than its factorization.

16230788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30539 (or 30537 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 16230788 is about 4028.7452140834. The cubic root of 16230788 is about 253.1899920092.

Subtracting from 16230788 its sum of digits (35), we obtain a triangular number (16230753 = T5697).

The spelling of 16230788 in words is "sixteen million, two hundred thirty thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 30509 61018 122036 213563 427126 579671 854252 1159342 2318684 4057697 8115394 16230788