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479980929 = 3971649419
BaseRepresentation
bin11100100110111…
…110110110000001
31020110011120001110
4130212332312001
51440333342204
6115343353533
714615525211
oct3446766601
91213146043
10479980929
11226a3385a
121148b28a9
13785960ac
1447a64241
152c211889
hex1c9bed81

479980929 has 8 divisors (see below), whose sum is σ = 646572640. Its totient is φ = 316688256.

The previous prime is 479980849. The next prime is 479980931. The reversal of 479980929 is 929089974.

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

It is a de Polignac number, because none of the positive numbers 2k-479980929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (479980939) 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, 824419 + ... + 825000.

It is an arithmetic number, because the mean of its divisors is an integer number (80821580).

Almost surely, 2479980929 is an apocalyptic number.

It is an amenable number.

479980929 is a deficient number, since it is larger than the sum of its proper divisors (166591711).

479980929 is a wasteful number, since it uses less digits than its factorization.

479980929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649519.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 479980929 is about 21908.4670618462. The cubic root of 479980929 is about 782.9631585908.

The spelling of 479980929 in words is "four hundred seventy-nine million, nine hundred eighty thousand, nine hundred twenty-nine".

Divisors: 1 3 97 291 1649419 4948257 159993643 479980929