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472506390 = 23255250071
BaseRepresentation
bin11100001010011…
…110000000010110
31012221002210220200
4130022132000112
51431430201030
6114515241330
714465144436
oct3412360026
91187083820
10472506390
11222799054
121122a9246
1376b79ba5
1446a7a2c6
152b736d60
hex1c29e016

472506390 has 24 divisors (see below), whose sum is σ = 1228516848. Its totient is φ = 126001680.

The previous prime is 472506373. The next prime is 472506401. The reversal of 472506390 is 93605274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624946 + ... + 2625125.

It is an arithmetic number, because the mean of its divisors is an integer number (51188202).

Almost surely, 2472506390 is an apocalyptic number.

472506390 is an abundant number, since it is smaller than the sum of its proper divisors (756010458).

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

472506390 is a wasteful number, since it uses less digits than its factorization.

472506390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250084 (or 5250081 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 472506390 is about 21737.2121027514. The cubic root of 472506390 is about 778.8776263769.

The spelling of 472506390 in words is "four hundred seventy-two million, five hundred six thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5250071 10500142 15750213 26250355 31500426 47250639 52500710 78751065 94501278 157502130 236253195 472506390