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497555136 = 26351323107
BaseRepresentation
bin11101101010000…
…001011011000000
31021200020102100000
4131222001123000
52004333231021
6121212200000
715221102031
oct3552013300
91250212300
10497555136
112359475a1
1211a769000
137c10a330
144a11aa88
152da33b26
hex1da816c0

497555136 has 336 divisors, whose sum is σ = 1677521664. Its totient is φ = 145069056.

The previous prime is 497555119. The next prime is 497555141. The reversal of 497555136 is 631555794.

497555136 is a `hidden beast` number, since 4 + 97 + 5 + 551 + 3 + 6 = 666.

It is a super-2 number, since 2×4975551362 = 495122226719956992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 497555091 and 497555100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4649995 + ... + 4650101.

It is an arithmetic number, because the mean of its divisors is an integer number (4992624).

Almost surely, 2497555136 is an apocalyptic number.

497555136 is a gapful number since it is divisible by the number (46) 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 497555136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838760832).

497555136 is an abundant number, since it is smaller than the sum of its proper divisors (1179966528).

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

497555136 is a wasteful number, since it uses less digits than its factorization.

497555136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 148 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 497555136 is about 22305.9439611956. The cubic root of 497555136 is about 792.4047517939.

The spelling of 497555136 in words is "four hundred ninety-seven million, five hundred fifty-five thousand, one hundred thirty-six".