Search a number
-
+
126310540 = 2256315527
BaseRepresentation
bin1111000011101…
…01100010001100
322210200020111011
413201311202030
5224313414130
620311135004
73062423206
oct741654214
9283606434
10126310540
1165331a84
1236374464
1320226385
1412abd776
15b15052a
hex787588c

126310540 has 12 divisors (see below), whose sum is σ = 265252176. Its totient is φ = 50524208.

The previous prime is 126310529. The next prime is 126310543. The reversal of 126310540 is 45013621.

It is not an unprimeable number, because it can be changed into a prime (126310543) 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, 3157744 + ... + 3157783.

It is an arithmetic number, because the mean of its divisors is an integer number (22104348).

Almost surely, 2126310540 is an apocalyptic number.

126310540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126310540 is an abundant number, since it is smaller than the sum of its proper divisors (138941636).

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

126310540 is a wasteful number, since it uses less digits than its factorization.

126310540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315536 (or 6315534 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 126310540 is about 11238.7961988818. The cubic root of 126310540 is about 501.7413152690.

The spelling of 126310540 in words is "one hundred twenty-six million, three hundred ten thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 6315527 12631054 25262108 31577635 63155270 126310540