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182009139 = 3137165731
BaseRepresentation
bin10101101100100…
…11110100110011
3110200111000121020
422312103310303
5333043243024
630021030523
74340023614
oct1266236463
9420430536
10182009139
1193815184
1250b55443
132b928520
141a25bc0b
1510ea3979
hexad93d33

182009139 has 16 divisors (see below), whose sum is σ = 265031424. Its totient is φ = 110426400.

The previous prime is 182009119. The next prime is 182009141. The reversal of 182009139 is 931900281.

It is not a de Polignac number, because 182009139 - 27 = 182009011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (182009119) 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, 30097 + ... + 35634.

It is an arithmetic number, because the mean of its divisors is an integer number (16564464).

Almost surely, 2182009139 is an apocalyptic number.

182009139 is a deficient number, since it is larger than the sum of its proper divisors (83022285).

182009139 is a wasteful number, since it uses less digits than its factorization.

182009139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65818.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 182009139 is about 13491.0762728553. The cubic root of 182009139 is about 566.7145962151.

The spelling of 182009139 in words is "one hundred eighty-two million, nine thousand, one hundred thirty-nine".

Divisors: 1 3 13 39 71 213 923 2769 65731 197193 854503 2563509 4666901 14000703 60669713 182009139