Search a number
-
+
126957588 = 22310579799
BaseRepresentation
bin1111001000100…
…11100000010100
322211220010001220
413210103200110
5230000120323
620333050340
73101056512
oct744234024
9284803056
10126957588
116573412a
12366269b0
13203c1a44
1412c0b4b2
15b22c0e3
hex7913814

126957588 has 12 divisors (see below), whose sum is σ = 296234400. Its totient is φ = 42319192.

The previous prime is 126957587. The next prime is 126957599. The reversal of 126957588 is 885759621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1269575882 = 32236458301555488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126957588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126957583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289888 + ... + 5289911.

It is an arithmetic number, because the mean of its divisors is an integer number (24686200).

Almost surely, 2126957588 is an apocalyptic number.

It is an amenable number.

126957588 is an abundant number, since it is smaller than the sum of its proper divisors (169276812).

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

126957588 is a wasteful number, since it uses less digits than its factorization.

126957588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579806 (or 10579804 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 51.

The square root of 126957588 is about 11267.5457842425. The cubic root of 126957588 is about 502.5966092312.

The spelling of 126957588 in words is "one hundred twenty-six million, nine hundred fifty-seven thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 10579799 21159598 31739397 42319196 63478794 126957588