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62940131 = 128349057
BaseRepresentation
bin1111000000011…
…0001111100011
311101102200121222
43300012033203
5112103041011
610125005255
71362660632
oct360061743
9141380558
1062940131
1132589941
12190b382b
13100692a7
148505519
1557d3ddb
hex3c063e3

62940131 has 4 divisors (see below), whose sum is σ = 62990472. Its totient is φ = 62889792.

The previous prime is 62940127. The next prime is 62940139. The reversal of 62940131 is 13104926.

62940131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 62940131 - 22 = 62940127 is a prime.

It is a super-2 number, since 2×629401312 = 7922920180594322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 62940131.

It is not an unprimeable number, because it can be changed into a prime (62940139) 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, 23246 + ... + 25811.

It is an arithmetic number, because the mean of its divisors is an integer number (15747618).

Almost surely, 262940131 is an apocalyptic number.

62940131 is a deficient number, since it is larger than the sum of its proper divisors (50341).

62940131 is a wasteful number, since it uses less digits than its factorization.

62940131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50340.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 62940131 is about 7933.4816442720. The cubic root of 62940131 is about 397.7796373628.

The spelling of 62940131 in words is "sixty-two million, nine hundred forty thousand, one hundred thirty-one".

Divisors: 1 1283 49057 62940131