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480428452 = 227193129131
BaseRepresentation
bin11100101000101…
…100000110100100
31020111000021221101
4130220230012210
51440442202302
6115401125444
714622401020
oct3450540644
91214007841
10480428452
1122720a009
12114a89884
13786c19ba
1447b3d380
152c29e287
hex1ca2c1a4

480428452 has 48 divisors (see below), whose sum is σ = 1044090880. Its totient is φ = 188762400.

The previous prime is 480428437. The next prime is 480428477. The reversal of 480428452 is 254824084.

It is a super-2 number, since 2×4804284522 = 461622994982232608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927 + ... + 31057.

Almost surely, 2480428452 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 480428452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522045440).

480428452 is an abundant number, since it is smaller than the sum of its proper divisors (563662428).

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

480428452 is a wasteful number, since it uses less digits than its factorization.

480428452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29192 (or 29190 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 480428452 is about 21918.6781535749. The cubic root of 480428452 is about 783.2064218519.

The spelling of 480428452 in words is "four hundred eighty million, four hundred twenty-eight thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 31 38 62 76 124 133 217 266 434 532 589 868 1178 2356 4123 8246 16492 29131 58262 116524 203917 407834 553489 815668 903061 1106978 1806122 2213956 3612244 3874423 6321427 7748846 12642854 15497692 17158159 25285708 34316318 68632636 120107113 240214226 480428452