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490739542 = 22239109589
BaseRepresentation
bin11101010000000…
…001011101010110
31021012102011002121
4131100001131112
52001112131132
6120410130154
715106134346
oct3520013526
91235364077
10490739542
11232011977
1211842095a
137a892037
1449264d26
152d139497
hex1d401756

490739542 has 8 divisors (see below), whose sum is σ = 736444800. Its totient is φ = 245257944.

The previous prime is 490739519. The next prime is 490739563. The reversal of 490739542 is 245937094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50317 + ... + 59272.

It is an arithmetic number, because the mean of its divisors is an integer number (92055600).

Almost surely, 2490739542 is an apocalyptic number.

490739542 is a deficient number, since it is larger than the sum of its proper divisors (245705258).

490739542 is a wasteful number, since it uses less digits than its factorization.

490739542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111830.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 490739542 is about 22152.6418740520. The cubic root of 490739542 is about 788.7699396123.

The spelling of 490739542 in words is "four hundred ninety million, seven hundred thirty-nine thousand, five hundred forty-two".

Divisors: 1 2 2239 4478 109589 219178 245369771 490739542