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479972442 = 23312580497
BaseRepresentation
bin11100100110111…
…100110001011010
31020110011010102010
4130212330301122
51440333104232
6115343250350
714615461365
oct3446746132
91213133363
10479972442
11226a28444
121148a99b6
1378592281
1447a610dc
152c20e0cc
hex1c9bcc5a

479972442 has 16 divisors (see below), whose sum is σ = 990911232. Its totient is φ = 154829760.

The previous prime is 479972401. The next prime is 479972443. The reversal of 479972442 is 244279974.

It is a junction number, because it is equal to n+sod(n) for n = 479972391 and 479972400.

It is not an unprimeable number, because it can be changed into a prime (479972443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290063 + ... + 1290434.

It is an arithmetic number, because the mean of its divisors is an integer number (61931952).

Almost surely, 2479972442 is an apocalyptic number.

479972442 is an abundant number, since it is smaller than the sum of its proper divisors (510938790).

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

479972442 is a wasteful number, since it uses less digits than its factorization.

479972442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580533.

The product of its digits is 1016064, while the sum is 48.

The square root of 479972442 is about 21908.2733687527. The cubic root of 479972442 is about 782.9585437911.

The spelling of 479972442 in words is "four hundred seventy-nine million, nine hundred seventy-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 2580497 5160994 7741491 15482982 79995407 159990814 239986221 479972442