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62138245 = 5131576089
BaseRepresentation
bin1110110100001…
…0011110000101
311022220221122111
43231002132011
5111401410440
610055501021
71353111031
oct355023605
9138827574
1062138245
1132091424
1218987771
13cb482c0
1483771c1
1556c64ea
hex3b42785

62138245 has 16 divisors (see below), whose sum is σ = 80826480. Its totient is φ = 45586944.

The previous prime is 62138191. The next prime is 62138261. The reversal of 62138245 is 54283126.

62138245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15256836 + 46881409 = 3906^2 + 6847^2 .

It is not a de Polignac number, because 62138245 - 27 = 62138117 is a prime.

It is a super-2 number, since 2×621382452 = 7722322983360050, 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 15 ways as a sum of consecutive naturals, for example, 7161 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (5051655).

Almost surely, 262138245 is an apocalyptic number.

62138245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

62138245 is a deficient number, since it is larger than the sum of its proper divisors (18688235).

62138245 is a wasteful number, since it uses less digits than its factorization.

62138245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264.

The product of its digits is 11520, while the sum is 31.

The square root of 62138245 is about 7882.7815522187. The cubic root of 62138245 is about 396.0831139527.

The spelling of 62138245 in words is "sixty-two million, one hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 5 13 65 157 785 2041 6089 10205 30445 79157 395785 955973 4779865 12427649 62138245