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1131675944 = 23720208499
BaseRepresentation
bin100001101110100…
…0000000100101000
32220212110002112212
41003131000010220
54304202112234
6304143424252
740021041530
oct10335000450
92825402485
101131675944
1153088a983
12276bb5088
131505c1749
14aa4264c0
15695415ce
hex43740128

1131675944 has 16 divisors (see below), whose sum is σ = 2425020000. Its totient is φ = 485003952.

The previous prime is 1131675943. The next prime is 1131675947. The reversal of 1131675944 is 4495761311.

It is a super-2 number, since 2×11316759442 = 2561380884456582272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131675943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10104194 + ... + 10104305.

It is an arithmetic number, because the mean of its divisors is an integer number (151563750).

Almost surely, 21131675944 is an apocalyptic number.

1131675944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131675944 is an abundant number, since it is smaller than the sum of its proper divisors (1293344056).

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

1131675944 is a wasteful number, since it uses less digits than its factorization.

1131675944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20208512 (or 20208508 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 1131675944 is about 33640.3915553907. The cubic root of 1131675944 is about 1042.0951181892.

The spelling of 1131675944 in words is "one billion, one hundred thirty-one million, six hundred seventy-five thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 20208499 40416998 80833996 141459493 161667992 282918986 565837972 1131675944