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475480224 = 25324493677
BaseRepresentation
bin11100010101110…
…100000010100000
31020010200220020200
4130111310002200
51433210331344
6115103105200
714532341502
oct3425640240
91203626220
10475480224
1122443a36a
121132a2200
137767b65b
1447211d72
152bb23069
hex1c5740a0

475480224 has 72 divisors (see below), whose sum is σ = 1355526900. Its totient is φ = 158097408.

The previous prime is 475480217. The next prime is 475480249. The reversal of 475480224 is 422084574.

It can be written as a sum of positive squares in 2 ways, for example, as 453690000 + 21790224 = 21300^2 + 4668^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127474 + ... + 131150.

Almost surely, 2475480224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475480224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677763450).

475480224 is an abundant number, since it is smaller than the sum of its proper divisors (880046676).

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

475480224 is a wasteful number, since it uses less digits than its factorization.

475480224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 475480224 is about 21805.5090286836. The cubic root of 475480224 is about 780.5082289363.

The spelling of 475480224 in words is "four hundred seventy-five million, four hundred eighty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 449 898 1347 1796 2694 3592 3677 4041 5388 7184 7354 8082 10776 11031 14368 14708 16164 21552 22062 29416 32328 33093 43104 44124 58832 64656 66186 88248 117664 129312 132372 176496 264744 352992 529488 1058976 1650973 3301946 4952919 6603892 9905838 13207784 14858757 19811676 26415568 29717514 39623352 52831136 59435028 79246704 118870056 158493408 237740112 475480224