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1150756380 = 223256393091
BaseRepresentation
bin100010010010111…
…0010011000011100
32222012100110222200
41010211302120130
54324043201010
6310104411500
740342160604
oct10445623034
92865313880
101150756380
11540632334
12281476b90
13154542447
14acb91c04
156b05ecc0
hex4497261c

1150756380 has 36 divisors (see below), whose sum is σ = 3490628232. Its totient is φ = 306868320.

The previous prime is 1150756339. The next prime is 1150756381. The reversal of 1150756380 is 836570511.

1150756380 is a `hidden beast` number, since 1 + 15 + 0 + 7 + 5 + 638 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11507563802 = 2648480492221408800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150756381) 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 11 ways as a sum of consecutive naturals, for example, 3196366 + ... + 3196725.

Almost surely, 21150756380 is an apocalyptic number.

1150756380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150756380 is an abundant number, since it is smaller than the sum of its proper divisors (2339871852).

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

1150756380 is a wasteful number, since it uses less digits than its factorization.

1150756380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393106 (or 6393101 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1150756380 is about 33922.8002971453. The cubic root of 1150756380 is about 1047.9191988963.

The spelling of 1150756380 in words is "one billion, one hundred fifty million, seven hundred fifty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 6393091 12786182 19179273 25572364 31965455 38358546 57537819 63930910 76717092 95896365 115075638 127861820 191792730 230151276 287689095 383585460 575378190 1150756380