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138025416 = 2335751059
BaseRepresentation
bin10000011101000…
…01100111001000
3100121201102021110
420032201213020
5240313303131
621410210320
73264124314
oct1016414710
9317642243
10138025416
1170a035a1
123a2839a0
1322798659
141448cb44
15c1b6646
hex83a19c8

138025416 has 16 divisors (see below), whose sum is σ = 345063600. Its totient is φ = 46008464.

The previous prime is 138025411. The next prime is 138025441. The reversal of 138025416 is 614520831.

It is not an unprimeable number, because it can be changed into a prime (138025411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875506 + ... + 2875553.

It is an arithmetic number, because the mean of its divisors is an integer number (21566475).

Almost surely, 2138025416 is an apocalyptic number.

It is an amenable number.

138025416 is an abundant number, since it is smaller than the sum of its proper divisors (207038184).

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

138025416 is a wasteful number, since it uses less digits than its factorization.

138025416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751068 (or 5751064 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 138025416 is about 11748.4218514658. The cubic root of 138025416 is about 516.7966481617.

It can be divided in two parts, 1380 and 25416, that added together give a triangular number (26796 = T231).

The spelling of 138025416 in words is "one hundred thirty-eight million, twenty-five thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 5751059 11502118 17253177 23004236 34506354 46008472 69012708 138025416