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494521074 = 232151181943
BaseRepresentation
bin11101011110011…
…100101011110010
31021110112021101100
4131132130223302
52003044133244
6121023145230
715153234255
oct3536345362
91243467340
10494521074
11234165003
12119745216
137b5b7328
144996b09c
152d634b69
hex1d79caf2

494521074 has 24 divisors (see below), whose sum is σ = 1078564032. Its totient is φ = 163747800.

The previous prime is 494521063. The next prime is 494521087. The reversal of 494521074 is 470125494.

It is a happy number.

It is a super-2 number, since 2×4945210742 = 489102185260226952, which contains 22 as substring.

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

It is a Curzon number.

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, 88254 + ... + 93689.

It is an arithmetic number, because the mean of its divisors is an integer number (44940168).

Almost surely, 2494521074 is an apocalyptic number.

494521074 is an abundant number, since it is smaller than the sum of its proper divisors (584042958).

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

494521074 is a wasteful number, since it uses less digits than its factorization.

494521074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182102 (or 182099 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 494521074 is about 22237.8297951936. The cubic root of 494521074 is about 790.7907875010.

The spelling of 494521074 in words is "four hundred ninety-four million, five hundred twenty-one thousand, seventy-four".

Divisors: 1 2 3 6 9 18 151 302 453 906 1359 2718 181943 363886 545829 1091658 1637487 3274974 27473393 54946786 82420179 164840358 247260537 494521074