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138214500 = 2235392143
BaseRepresentation
bin10000011110011…
…11110001100100
3100122002000122120
420033033301210
5240340331000
621414225540
73265542504
oct1017176144
9318060576
10138214500
1171022666
123a3552b0
1322833738
14144dba04
15c2026a0
hex83cfc64

138214500 has 48 divisors (see below), whose sum is σ = 402484992. Its totient is φ = 36856800.

The previous prime is 138214487. The next prime is 138214541. The reversal of 138214500 is 5412831.

138214500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 44572 + ... + 47571.

It is an arithmetic number, because the mean of its divisors is an integer number (8385104).

Almost surely, 2138214500 is an apocalyptic number.

138214500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138214500 is an abundant number, since it is smaller than the sum of its proper divisors (264270492).

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

138214500 is a wasteful number, since it uses less digits than its factorization.

138214500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92165 (or 92153 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 138214500 is about 11756.4663058251. The cubic root of 138214500 is about 517.0325307796.

The spelling of 138214500 in words is "one hundred thirty-eight million, two hundred fourteen thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 92143 184286 276429 368572 460715 552858 921430 1105716 1382145 1842860 2303575 2764290 4607150 5528580 6910725 9214300 11517875 13821450 23035750 27642900 34553625 46071500 69107250 138214500