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675342760 = 23516883569
BaseRepresentation
bin101000010000001…
…110100110101000
31202001202222002211
4220100032212220
52340341432020
6151002534504
722510214221
oct5020164650
91661688084
10675342760
11317239014
1216a207434
13a9bb8201
146599a248
153e45185a
hex2840e9a8

675342760 has 16 divisors (see below), whose sum is σ = 1519521300. Its totient is φ = 270137088.

The previous prime is 675342673. The next prime is 675342761. The reversal of 675342760 is 67243576.

It can be written as a sum of positive squares in 2 ways, for example, as 647906116 + 27436644 = 25454^2 + 5238^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 16883569 = 675342760 / (6 + 7 + 5 + 3 + 4 + 2 + 7 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (675342761) by changing a digit.

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, 8441745 + ... + 8441824.

Almost surely, 2675342760 is an apocalyptic number.

It is an amenable number.

675342760 is an abundant number, since it is smaller than the sum of its proper divisors (844178540).

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

675342760 is a wasteful number, since it uses less digits than its factorization.

675342760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16883580 (or 16883576 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 675342760 is about 25987.3576956181. The cubic root of 675342760 is about 877.3537757935.

The spelling of 675342760 in words is "six hundred seventy-five million, three hundred forty-two thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 16883569 33767138 67534276 84417845 135068552 168835690 337671380 675342760