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202252920 = 23351685441
BaseRepresentation
bin11000000111000…
…10001001111000
3112002120111211220
430003202021320
5403234043140
632022552040
75004056442
oct1403421170
9462514756
10202252920
11a4191681
1257898620
1332b958ac
141cc0b492
1512b51bd0
hexc0e2278

202252920 has 32 divisors (see below), whose sum is σ = 606759120. Its totient is φ = 53934080.

The previous prime is 202252907. The next prime is 202252933. The reversal of 202252920 is 29252202.

It is an interprime number because it is at equal distance from previous prime (202252907) and next prime (202252933).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 842601 + ... + 842840.

Almost surely, 2202252920 is an apocalyptic number.

202252920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202252920 is an abundant number, since it is smaller than the sum of its proper divisors (404506200).

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

202252920 is a wasteful number, since it uses less digits than its factorization.

202252920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685455 (or 1685451 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 202252920 is about 14221.5653146902. The cubic root of 202252920 is about 586.9912130459.

The spelling of 202252920 in words is "two hundred two million, two hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1685441 3370882 5056323 6741764 8427205 10112646 13483528 16854410 20225292 25281615 33708820 40450584 50563230 67417640 101126460 202252920