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138324570 = 23541112459
BaseRepresentation
bin10000011111010…
…10101001011010
3100122021121122020
420033222221122
5240402341240
621420435310
73266511426
oct1017525132
9318247566
10138324570
117109832a
123a3a8b36
1322871877
1414529b86
15c2250d0
hex83eaa5a

138324570 has 32 divisors (see below), whose sum is σ = 340079040. Its totient is φ = 35986560.

The previous prime is 138324559. The next prime is 138324581. The reversal of 138324570 is 75423831.

138324570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138324559) and next prime (138324581).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55000 + ... + 57459.

It is an arithmetic number, because the mean of its divisors is an integer number (10627470).

Almost surely, 2138324570 is an apocalyptic number.

138324570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138324570 is an abundant number, since it is smaller than the sum of its proper divisors (201754470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138324570 is a wasteful number, since it uses less digits than its factorization.

138324570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112510.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 138324570 is about 11761.1466277740. The cubic root of 138324570 is about 517.1697442418.

The spelling of 138324570 in words is "one hundred thirty-eight million, three hundred twenty-four thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 112459 224918 337377 562295 674754 1124590 1686885 3373770 4610819 9221638 13832457 23054095 27664914 46108190 69162285 138324570