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195702020 = 2254125821
BaseRepresentation
bin10111010101000…
…10110100000100
3111122020200200222
423222202310010
5400044431040
631230323512
74564303553
oct1352426404
9448220628
10195702020
11a0517908
1255659598
1331710c17
141bdc3d9a
15122aabb5
hexbaa2d04

195702020 has 36 divisors (see below), whose sum is σ = 421314852. Its totient is φ = 76358400.

The previous prime is 195702019. The next prime is 195702049. The reversal of 195702020 is 20207591.

It can be written as a sum of positive squares in 6 ways, for example, as 33547264 + 162154756 = 5792^2 + 12734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30710 + ... + 36530.

Almost surely, 2195702020 is an apocalyptic number.

195702020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195702020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210657426).

195702020 is an abundant number, since it is smaller than the sum of its proper divisors (225612832).

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

195702020 is a wasteful number, since it uses less digits than its factorization.

195702020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912 (or 5869 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 195702020 is about 13989.3538092365. The cubic root of 195702020 is about 580.5840529684.

The spelling of 195702020 in words is "one hundred ninety-five million, seven hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 1681 3362 5821 6724 8405 11642 16810 23284 29105 33620 58210 116420 238661 477322 954644 1193305 2386610 4773220 9785101 19570202 39140404 48925505 97851010 195702020