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493452740 = 225116133659
BaseRepresentation
bin11101011010010…
…111110111000100
31021101111222220102
4131122113313010
52002310441430
6120544223232
715141164504
oct3532276704
91241458812
10493452740
112335a5390
1211930ab18
137b301c91
144976da04
152d4c3345
hex1d697dc4

493452740 has 48 divisors (see below), whose sum is σ = 1132608960. Its totient is φ = 179095680.

The previous prime is 493452733. The next prime is 493452763. The reversal of 493452740 is 47254394.

It is a super-2 number, since 2×4934527402 = 486991213227015200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493452694 and 493452703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133031 + ... + 136689.

It is an arithmetic number, because the mean of its divisors is an integer number (23596020).

Almost surely, 2493452740 is an apocalyptic number.

It is an amenable number.

493452740 is an abundant number, since it is smaller than the sum of its proper divisors (639156220).

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

493452740 is a wasteful number, since it uses less digits than its factorization.

493452740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 493452740 is about 22213.7961636457. The cubic root of 493452740 is about 790.2209177601.

The spelling of 493452740 in words is "four hundred ninety-three million, four hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 613 1226 2452 3065 3659 6130 6743 7318 12260 13486 14636 18295 26972 33715 36590 40249 67430 73180 80498 134860 160996 201245 402490 804980 2242967 4485934 8971868 11214835 22429670 24672637 44859340 49345274 98690548 123363185 246726370 493452740