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62490138 = 2310415023
BaseRepresentation
bin1110111001100…
…0011000011010
311100120211100120
43232120120122
5111444141023
610111214110
71356104664
oct356303032
9140524316
1062490138
1132301847
1218b17336
13cc3c519
148429534
1557458e3
hex3b9861a

62490138 has 8 divisors (see below), whose sum is σ = 124980288. Its totient is φ = 20830044.

The previous prime is 62490133. The next prime is 62490143. The reversal of 62490138 is 83109426.

62490138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (62490133) and next prime (62490143).

It is a sphenic number, since it is the product of 3 distinct primes.

62490138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 62490099 and 62490108.

It is not an unprimeable number, because it can be changed into a prime (62490133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5207506 + ... + 5207517.

It is an arithmetic number, because the mean of its divisors is an integer number (15622536).

Almost surely, 262490138 is an apocalyptic number.

62490138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

62490138 is a wasteful number, since it uses less digits than its factorization.

62490138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415028.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 62490138 is about 7905.0703981685. The cubic root of 62490138 is about 396.8293886285.

The spelling of 62490138 in words is "sixty-two million, four hundred ninety thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 10415023 20830046 31245069 62490138