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497372840 = 23518316791
BaseRepresentation
bin11101101001010…
…100111010101000
31021122220011021022
4131221110322220
52004311412330
6121204232012
715216412406
oct3551247250
91248804238
10497372840
11235832638
1211a69b608
137c075373
144a0b0476
152d9e9ae5
hex1da54ea8

497372840 has 32 divisors (see below), whose sum is σ = 1119864960. Its totient is φ = 198811200.

The previous prime is 497372831. The next prime is 497372857. The reversal of 497372840 is 48273794.

It is a junction number, because it is equal to n+sod(n) for n = 497372791 and 497372800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69845 + ... + 76635.

It is an arithmetic number, because the mean of its divisors is an integer number (34995780).

Almost surely, 2497372840 is an apocalyptic number.

497372840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497372840 is an abundant number, since it is smaller than the sum of its proper divisors (622492120).

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

497372840 is a wasteful number, since it uses less digits than its factorization.

497372840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633 (or 8629 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 497372840 is about 22301.8573217569. The cubic root of 497372840 is about 792.3079652930.

The spelling of 497372840 in words is "four hundred ninety-seven million, three hundred seventy-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1831 3662 6791 7324 9155 13582 14648 18310 27164 33955 36620 54328 67910 73240 135820 271640 12434321 24868642 49737284 62171605 99474568 124343210 248686420 497372840