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109402923 = 3721292447
BaseRepresentation
bin1101000010101…
…01101100101011
321121212020121010
412201111230223
5211001343143
614504515003
72465623650
oct641255453
9247766533
10109402923
1156834043
123077ba63
1319886676
141075bc27
159910a33
hex6855b2b

109402923 has 16 divisors (see below), whose sum is σ = 166855680. Its totient is φ = 62461056.

The previous prime is 109402921. The next prime is 109402949. The reversal of 109402923 is 329204901.

It is not a de Polignac number, because 109402923 - 21 = 109402921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109402921) 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, 43486 + ... + 45932.

It is an arithmetic number, because the mean of its divisors is an integer number (10428480).

Almost surely, 2109402923 is an apocalyptic number.

109402923 is a deficient number, since it is larger than the sum of its proper divisors (57452757).

109402923 is a wasteful number, since it uses less digits than its factorization.

109402923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586.

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

The square root of 109402923 is about 10459.5852212217. The cubic root of 109402923 is about 478.2734892036.

The spelling of 109402923 in words is "one hundred nine million, four hundred two thousand, nine hundred twenty-three".

Divisors: 1 3 7 21 2129 2447 6387 7341 14903 17129 44709 51387 5209663 15628989 36467641 109402923