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486720417 = 3162240139
BaseRepresentation
bin11101000000101…
…100001110100001
31020220211221220010
4131000230032201
51444100023132
6120144035133
715030024651
oct3500541641
91226757803
10486720417
1122a817287
12117002aa9
1379ab5861
14488da361
152cae36cc
hex1d02c3a1

486720417 has 4 divisors (see below), whose sum is σ = 648960560. Its totient is φ = 324480276.

The previous prime is 486720373. The next prime is 486720431. The reversal of 486720417 is 714027684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 486720417 - 223 = 478331809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486720497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81120067 + ... + 81120072.

It is an arithmetic number, because the mean of its divisors is an integer number (162240140).

Almost surely, 2486720417 is an apocalyptic number.

It is an amenable number.

486720417 is a deficient number, since it is larger than the sum of its proper divisors (162240143).

486720417 is a wasteful number, since it uses less digits than its factorization.

486720417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162240142.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 486720417 is about 22061.7410237724. The cubic root of 486720417 is about 786.6107093165.

The spelling of 486720417 in words is "four hundred eighty-six million, seven hundred twenty thousand, four hundred seventeen".

Divisors: 1 3 162240139 486720417