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92108143 = 1922321739
BaseRepresentation
bin1010111110101…
…11010101101111
320102022120121201
411133113111233
5142034430033
613050110331
72165622601
oct537272557
9212276551
1092108143
1147aa1236
1226a1b3a7
131610c67a
14c339171
15814647d
hex57d756f

92108143 has 8 divisors (see below), whose sum is σ = 97395200. Its totient is φ = 86865048.

The previous prime is 92108113. The next prime is 92108153. The reversal of 92108143 is 34180129.

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 a de Polignac number, because none of the positive numbers 2k-92108143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92108113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633 + ... + 15106.

It is an arithmetic number, because the mean of its divisors is an integer number (12174400).

Almost surely, 292108143 is an apocalyptic number.

92108143 is a deficient number, since it is larger than the sum of its proper divisors (5287057).

92108143 is a wasteful number, since it uses less digits than its factorization.

92108143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21981.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 92108143 is about 9597.2987345398. The cubic root of 92108143 is about 451.6125569513.

The spelling of 92108143 in words is "ninety-two million, one hundred eight thousand, one hundred forty-three".

Divisors: 1 19 223 4237 21739 413041 4847797 92108143