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475740720 = 2432571353137
BaseRepresentation
bin11100010110110…
…011101000110000
31020011012010120200
4130112303220300
51433242200340
6115112435200
714534505120
oct3426635060
91204163520
10475740720
112245a8054
121133a8b00
13777400b0
144727cc80
152bb75330
hex1c5b3a30

475740720 has 480 divisors, whose sum is σ = 2018120832. Its totient is φ = 97763328.

The previous prime is 475740719. The next prime is 475740731. The reversal of 475740720 is 27047574.

It is a happy number.

It is a super-2 number, since 2×4757407202 = 452658465332236800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3472492 + ... + 3472628.

Almost surely, 2475740720 is an apocalyptic number.

475740720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475740720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009060416).

475740720 is an abundant number, since it is smaller than the sum of its proper divisors (1542380112).

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

475740720 is a wasteful number, since it uses less digits than its factorization.

475740720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 475740720 is about 21811.4813802272. The cubic root of 475740720 is about 780.6507390013.

The spelling of 475740720 in words is "four hundred seventy-five million, seven hundred forty thousand, seven hundred twenty".