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102231966 = 2317038661
BaseRepresentation
bin1100001011111…
…10111110011110
321010100220220010
412011332332132
5202132410331
614051104050
72350646244
oct605767636
9233326803
10102231966
1152786431
122a2a2026
13182456b5
14d812794
158e95e46
hex617ef9e

102231966 has 8 divisors (see below), whose sum is σ = 204463944. Its totient is φ = 34077320.

The previous prime is 102231937. The next prime is 102231967. The reversal of 102231966 is 669132201.

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

102231966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231967) 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, 8519325 + ... + 8519336.

It is an arithmetic number, because the mean of its divisors is an integer number (25557993).

Almost surely, 2102231966 is an apocalyptic number.

102231966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102231966 is a wasteful number, since it uses less digits than its factorization.

102231966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038666.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 102231966 is about 10110.9824448468. The cubic root of 102231966 is about 467.5867946793.

The spelling of 102231966 in words is "one hundred two million, two hundred thirty-one thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 17038661 34077322 51115983 102231966