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138582762 = 23731072957
BaseRepresentation
bin10000100001010…
…01101011101010
3100122202201210220
420100221223222
5240434122022
621430150510
73301635243
oct1020515352
9318681726
10138582762
117125430a
123a4b2436
1322932246
1414595cca
15c27685c
hex8429aea

138582762 has 32 divisors (see below), whose sum is σ = 283684032. Its totient is φ = 45120384.

The previous prime is 138582739. The next prime is 138582767. The reversal of 138582762 is 267285831.

It is not an unprimeable number, because it can be changed into a prime (138582767) 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, 45388 + ... + 48344.

It is an arithmetic number, because the mean of its divisors is an integer number (8865126).

Almost surely, 2138582762 is an apocalyptic number.

138582762 is an abundant number, since it is smaller than the sum of its proper divisors (145101270).

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

138582762 is a wasteful number, since it uses less digits than its factorization.

138582762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its digits is 161280, while the sum is 42.

The square root of 138582762 is about 11772.1179912537. The cubic root of 138582762 is about 517.4913214722.

The spelling of 138582762 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 73 107 146 214 219 321 438 642 2957 5914 7811 8871 15622 17742 23433 46866 215861 316399 431722 632798 647583 949197 1295166 1898394 23097127 46194254 69291381 138582762