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106144687 = 1113017417
BaseRepresentation
bin1100101001110…
…10001110101111
321101201201010201
412110322032233
5204133112222
614311014331
72426133505
oct624721657
9241651121
10106144687
1154a09090
122b66a3a7
1318cb560c
1410150675
1594ba427
hex653a3af

106144687 has 8 divisors (see below), whose sum is σ = 115898832. Its totient is φ = 96408000.

The previous prime is 106144681. The next prime is 106144711. The reversal of 106144687 is 786441601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 106144687 - 23 = 106144679 is a prime.

It is a super-2 number, since 2×1061446872 = 22533389156655938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106144681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10603 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (14487354).

Almost surely, 2106144687 is an apocalyptic number.

106144687 is a deficient number, since it is larger than the sum of its proper divisors (9754145).

106144687 is a wasteful number, since it uses less digits than its factorization.

106144687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 106144687 is about 10302.6543667154. The cubic root of 106144687 is about 473.4775811216.

The spelling of 106144687 in words is "one hundred six million, one hundred forty-four thousand, six hundred eighty-seven".

Divisors: 1 11 1301 7417 14311 81587 9649517 106144687