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479142140 = 22527118837
BaseRepresentation
bin11100100011110…
…010000011111100
31020101120221110012
4130203302003330
51440130022030
6115313402352
714605432601
oct3443620374
91211527405
10479142140
11226510644
121145693b8
1378361379
14478c66a8
152c0e8095
hex1c8f20fc

479142140 has 24 divisors (see below), whose sum is σ = 1006683552. Its totient is φ = 191564480.

The previous prime is 479142137. The next prime is 479142149. The reversal of 479142140 is 41241974.

It is a junction number, because it is equal to n+sod(n) for n = 479142097 and 479142106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479142149) 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, 49802 + ... + 58638.

It is an arithmetic number, because the mean of its divisors is an integer number (41945148).

Almost surely, 2479142140 is an apocalyptic number.

It is an amenable number.

479142140 is an abundant number, since it is smaller than the sum of its proper divisors (527541412).

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

479142140 is a wasteful number, since it uses less digits than its factorization.

479142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557 (or 11555 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 479142140 is about 21889.3156585582. The cubic root of 479142140 is about 782.5068044742.

The spelling of 479142140 in words is "four hundred seventy-nine million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2711 5422 8837 10844 13555 17674 27110 35348 44185 54220 88370 176740 23957107 47914214 95828428 119785535 239571070 479142140