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474736720 = 2455934209
BaseRepresentation
bin11100010010111…
…110100001010000
31020002022010100111
4130102332201100
51433013033340
6115035131104
714523124033
oct3422764120
91202263314
10474736720
11223a817a7
12112ba3a94
137747b103
144709b01a
152ba27aea
hex1c4be850

474736720 has 20 divisors (see below), whose sum is σ = 1103763060. Its totient is φ = 189894656.

The previous prime is 474736711. The next prime is 474736723. The reversal of 474736720 is 27637474.

It can be written as a sum of positive squares in 2 ways, for example, as 192765456 + 281971264 = 13884^2 + 16792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474736723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967025 + ... + 2967184.

It is an arithmetic number, because the mean of its divisors is an integer number (55188153).

Almost surely, 2474736720 is an apocalyptic number.

474736720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

474736720 is an abundant number, since it is smaller than the sum of its proper divisors (629026340).

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

474736720 is a wasteful number, since it uses less digits than its factorization.

474736720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934222 (or 5934216 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 474736720 is about 21788.4538230688. The cubic root of 474736720 is about 780.1011922188.

The spelling of 474736720 in words is "four hundred seventy-four million, seven hundred thirty-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5934209 11868418 23736836 29671045 47473672 59342090 94947344 118684180 237368360 474736720