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83955207 = 374785061
BaseRepresentation
bin1010000000100…
…00111000000111
312211222100220010
411000100320013
5132443031312
612155241303
72036415240
oct500207007
9184870803
1083955207
1143432876
1224149233
131451674b
14b215cc7
15758593c
hex5010e07

83955207 has 16 divisors (see below), whose sum is σ = 130655232. Its totient is φ = 46953120.

The previous prime is 83955199. The next prime is 83955211. The reversal of 83955207 is 70255938.

It is not a de Polignac number, because 83955207 - 23 = 83955199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83955217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41544 + ... + 43517.

It is an arithmetic number, because the mean of its divisors is an integer number (8165952).

Almost surely, 283955207 is an apocalyptic number.

83955207 is a deficient number, since it is larger than the sum of its proper divisors (46700025).

83955207 is a wasteful number, since it uses less digits than its factorization.

83955207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85118.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 83955207 is about 9162.7074055652. The cubic root of 83955207 is about 437.8740541949.

The spelling of 83955207 in words is "eighty-three million, nine hundred fifty-five thousand, two hundred seven".

Divisors: 1 3 7 21 47 141 329 987 85061 255183 595427 1786281 3997867 11993601 27985069 83955207