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472287480 = 233572312591
BaseRepresentation
bin11100001001101…
…000100011111000
31012220200200121220
4130021220203320
51431401144410
6114510432040
714463243300
oct3411504370
91186620556
10472287480
11222659635
12112202620
1376b01362
1446a20600
152b6e2070
hex1c2688f8

472287480 has 192 divisors, whose sum is σ = 1702010880. Its totient is φ = 104428800.

The previous prime is 472287469. The next prime is 472287481. The reversal of 472287480 is 84782274.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472287481) 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 47 ways as a sum of consecutive naturals, for example, 180985 + ... + 183575.

It is an arithmetic number, because the mean of its divisors is an integer number (8864640).

Almost surely, 2472287480 is an apocalyptic number.

472287480 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 472287480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851005440).

472287480 is an abundant number, since it is smaller than the sum of its proper divisors (1229723400).

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

472287480 is a wasteful number, since it uses less digits than its factorization.

472287480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 472287480 is about 21732.1761450620. The cubic root of 472287480 is about 778.7573243430.

The spelling of 472287480 in words is "four hundred seventy-two million, two hundred eighty-seven thousand, four hundred eighty".