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103992207 = 31116319333
BaseRepresentation
bin1100011001011…
…00101110001111
321020200100111020
412030230232033
5203110222312
614152525223
72401630164
oct614545617
9236610436
10103992207
1153778980
122a9b0813
1318710967
14db5006b
1591e278c
hex632cb8f

103992207 has 16 divisors (see below), whose sum is σ = 152197248. Its totient is φ = 62635680.

The previous prime is 103992193. The next prime is 103992221. The reversal of 103992207 is 702299301.

It is an interprime number because it is at equal distance from previous prime (103992193) and next prime (103992221).

It is not a de Polignac number, because 103992207 - 26 = 103992143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103992907) 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, 4288 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (9512328).

Almost surely, 2103992207 is an apocalyptic number.

103992207 is a deficient number, since it is larger than the sum of its proper divisors (48205041).

103992207 is a wasteful number, since it uses less digits than its factorization.

103992207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 103992207 is about 10197.6569367674. The cubic root of 103992207 is about 470.2551911282.

The spelling of 103992207 in words is "one hundred three million, nine hundred ninety-two thousand, two hundred seven".

Divisors: 1 3 11 33 163 489 1793 5379 19333 57999 212663 637989 3151279 9453837 34664069 103992207