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1137280520 = 23528432013
BaseRepresentation
bin100001111001001…
…1000011000001000
32221020222211120202
41003302120120020
54312120434040
6304503511332
740116503435
oct10362303010
92836884522
101137280520
11533a68762
12278a58548
1315180476c
14ab084b8c
1569c9c015
hex43c98608

1137280520 has 16 divisors (see below), whose sum is σ = 2558881260. Its totient is φ = 454912192.

The previous prime is 1137280499. The next prime is 1137280531. The reversal of 1137280520 is 250827311.

It can be written as a sum of positive squares in 2 ways, for example, as 1136903524 + 376996 = 33718^2 + 614^2 .

It is an unprimeable number.

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, 14215967 + ... + 14216046.

Almost surely, 21137280520 is an apocalyptic number.

1137280520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137280520 is an abundant number, since it is smaller than the sum of its proper divisors (1421600740).

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

1137280520 is a wasteful number, since it uses less digits than its factorization.

1137280520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432024 (or 28432020 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1137280520 is about 33723.5899631104. The cubic root of 1137280520 is about 1043.8125963391.

The spelling of 1137280520 in words is "one billion, one hundred thirty-seven million, two hundred eighty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 28432013 56864026 113728052 142160065 227456104 284320130 568640260 1137280520