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52787898 = 23223127507
BaseRepresentation
bin1100100101011…
…1101010111010
310200022220101100
43021113222322
5102003203043
65123232230
71210455402
oct311275272
9120286340
1052787898
1127885369
1215818676
13ac23357
147021802
15497acd3
hex3257aba

52787898 has 24 divisors (see below), whose sum is σ = 119347488. Its totient is φ = 16830792.

The previous prime is 52787887. The next prime is 52787929. The reversal of 52787898 is 89878725.

It is an alternating number because its digits alternate between odd and even.

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, 63340 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (4972812).

Almost surely, 252787898 is an apocalyptic number.

52787898 is an abundant number, since it is smaller than the sum of its proper divisors (66559590).

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

52787898 is a wasteful number, since it uses less digits than its factorization.

52787898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127538 (or 127535 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 52787898 is about 7265.5280606436. The cubic root of 52787898 is about 375.1268264353.

The spelling of 52787898 in words is "fifty-two million, seven hundred eighty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 127507 255014 382521 765042 1147563 2295126 2932661 5865322 8797983 17595966 26393949 52787898