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475079480 = 23543276209
BaseRepresentation
bin11100010100010…
…010001100111000
31020002221112112022
4130110102030320
51433110020410
6115050334012
714526052241
oct3424221470
91202845468
10475079480
11224196277
1211312a308
137756b125
1447149cc8
152ba94455
hex1c512338

475079480 has 32 divisors (see below), whose sum is σ = 1093791600. Its totient is φ = 185611776.

The previous prime is 475079471. The next prime is 475079483. The reversal of 475079480 is 84970574.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475079483) 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, 136385 + ... + 139824.

Almost surely, 2475079480 is an apocalyptic number.

475079480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475079480 is an abundant number, since it is smaller than the sum of its proper divisors (618712120).

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

475079480 is a wasteful number, since it uses less digits than its factorization.

475079480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276263 (or 276259 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 475079480 is about 21796.3180376870. The cubic root of 475079480 is about 780.2888914549.

The spelling of 475079480 in words is "four hundred seventy-five million, seventy-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 276209 552418 1104836 1381045 2209672 2762090 5524180 11048360 11876987 23753974 47507948 59384935 95015896 118769870 237539740 475079480