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472169517 = 31391132301
BaseRepresentation
bin11100001001001…
…011110000101101
31012220110200210220
4130021023300231
51431333411032
6114504121553
714462242341
oct3411136055
91186420726
10472169517
11222588a46
121121662b9
1376a8c761
14469cd621
152b6bc12c
hex1c24bc2d

472169517 has 8 divisors (see below), whose sum is σ = 634089120. Its totient is φ = 312514800.

The previous prime is 472169501. The next prime is 472169531. The reversal of 472169517 is 715961274.

It is a happy number.

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

It is not a de Polignac number, because 472169517 - 24 = 472169501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472169557) 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, 565734 + ... + 566567.

It is an arithmetic number, because the mean of its divisors is an integer number (79261140).

Almost surely, 2472169517 is an apocalyptic number.

It is an amenable number.

472169517 is a deficient number, since it is larger than the sum of its proper divisors (161919603).

472169517 is a wasteful number, since it uses less digits than its factorization.

472169517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132443.

The product of its digits is 105840, while the sum is 42.

The square root of 472169517 is about 21729.4619583643. The cubic root of 472169517 is about 778.6924823393.

The spelling of 472169517 in words is "four hundred seventy-two million, one hundred sixty-nine thousand, five hundred seventeen".

Divisors: 1 3 139 417 1132301 3396903 157389839 472169517