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60138612 = 223561871
BaseRepresentation
bin1110010101101…
…0010001110100
311012011100200000
43211122101310
5110343413422
65544551300
71330112142
oct345322164
9135140600
1060138612
1130a46036
1218182530
13c5c80a1
147db6592
15542dcac
hex395a474

60138612 has 36 divisors (see below), whose sum is σ = 157649856. Its totient is φ = 20045880.

The previous prime is 60138593. The next prime is 60138643. The reversal of 60138612 is 21683106.

60138612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29964 + ... + 31907.

Almost surely, 260138612 is an apocalyptic number.

It is an amenable number.

60138612 is an abundant number, since it is smaller than the sum of its proper divisors (97511244).

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

60138612 is a wasteful number, since it uses less digits than its factorization.

60138612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61890 (or 61876 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 60138612 is about 7754.9088969504. The cubic root of 60138612 is about 391.7880031692.

The spelling of 60138612 in words is "sixty million, one hundred thirty-eight thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 61871 123742 185613 247484 371226 556839 742452 1113678 1670517 2227356 3341034 5011551 6682068 10023102 15034653 20046204 30069306 60138612