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16890772 = 2219222247
BaseRepresentation
bin100000001101…
…1101110010100
31011210010210011
41000123232110
513311001042
61402010004
7263366143
oct100335624
934703704
1016890772
119597318
1257a6904
133665152
14235975a
151739a17
hex101bb94

16890772 has 12 divisors (see below), whose sum is σ = 31114720. Its totient is φ = 8000856.

The previous prime is 16890737. The next prime is 16890773. The reversal of 16890772 is 27709861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111048 + ... + 111199.

Almost surely, 216890772 is an apocalyptic number.

It is an amenable number.

16890772 is a deficient number, since it is larger than the sum of its proper divisors (14223948).

16890772 is a wasteful number, since it uses less digits than its factorization.

16890772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222270 (or 222268 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 16890772 is about 4109.8384396470. The cubic root of 16890772 is about 256.5762774613.

The spelling of 16890772 in words is "sixteen million, eight hundred ninety thousand, seven hundred seventy-two".

Divisors: 1 2 4 19 38 76 222247 444494 888988 4222693 8445386 16890772