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675581361 = 37132985333
BaseRepresentation
bin101000010001001…
…000110110110001
31202002020002101220
4220101020312301
52340422100421
6151012015253
722512226650
oct5021106661
91662202356
10675581361
11317391304
1216a301529
13a9c6c9b0
1465a1d197
153e49c3c6
hex28448db1

675581361 has 32 divisors (see below), whose sum is σ = 1146888960. Its totient is φ = 344058624.

The previous prime is 675581353. The next prime is 675581363. The reversal of 675581361 is 163185576.

It is not a de Polignac number, because 675581361 - 23 = 675581353 is a prime.

It is a super-2 number, since 2×6755813612 = 912820350661224642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (675581363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34750 + ... + 50583.

It is an arithmetic number, because the mean of its divisors is an integer number (35840280).

Almost surely, 2675581361 is an apocalyptic number.

It is an amenable number.

675581361 is a deficient number, since it is larger than the sum of its proper divisors (471307599).

675581361 is a wasteful number, since it uses less digits than its factorization.

675581361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85385.

The product of its digits is 151200, while the sum is 42.

The square root of 675581361 is about 25991.9480031798. The cubic root of 675581361 is about 877.4570876978.

The spelling of 675581361 in words is "six hundred seventy-five million, five hundred eighty-one thousand, three hundred sixty-one".

Divisors: 1 3 7 13 21 29 39 87 91 203 273 377 609 1131 2639 7917 85333 255999 597331 1109329 1791993 2474657 3327987 7423971 7765303 17322599 23295909 32170541 51967797 96511623 225193787 675581361