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62138140 = 22517317959
BaseRepresentation
bin1110110100001…
…0011100011100
311022220221111121
43231002130130
5111401410030
610055500324
71353110521
oct355023434
9138827447
1062138140
1132091339
12189876a4
13cb4823c
148377148
1556c647a
hex3b4271c

62138140 has 24 divisors (see below), whose sum is σ = 131251680. Its totient is φ = 24710208.

The previous prime is 62138123. The next prime is 62138159. The reversal of 62138140 is 4183126.

62138140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×621381402 = 7722296885319200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5520 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (5468820).

Almost surely, 262138140 is an apocalyptic number.

It is an amenable number.

62138140 is an abundant number, since it is smaller than the sum of its proper divisors (69113540).

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

62138140 is a wasteful number, since it uses less digits than its factorization.

62138140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18141 (or 18139 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 62138140 is about 7882.7748921303. The cubic root of 62138140 is about 396.0828908547.

The spelling of 62138140 in words is "sixty-two million, one hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 17959 35918 71836 89795 179590 359180 3106907 6213814 12427628 15534535 31069070 62138140