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553144460 = 225118592927
BaseRepresentation
bin100000111110000…
…101000010001100
31102112211122112212
4200332011002030
52113101110320
6130515445552
716464436031
oct4076050214
91375748485
10553144460
11264265690
121352b68b8
138a7a181b
145366b388
15338649c5
hex20f8508c

553144460 has 48 divisors (see below), whose sum is σ = 1269112320. Its totient is φ = 200840640.

The previous prime is 553144399. The next prime is 553144469. The reversal of 553144460 is 64441355.

It is not an unprimeable number, because it can be changed into a prime (553144469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 187517 + ... + 190443.

It is an arithmetic number, because the mean of its divisors is an integer number (26439840).

Almost surely, 2553144460 is an apocalyptic number.

It is an amenable number.

553144460 is an abundant number, since it is smaller than the sum of its proper divisors (715967860).

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

553144460 is a wasteful number, since it uses less digits than its factorization.

553144460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 553144460 is about 23519.0233640770. The cubic root of 553144460 is about 820.8797122451.

The spelling of 553144460 in words is "five hundred fifty-three million, one hundred forty-four thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 859 1718 2927 3436 4295 5854 8590 9449 11708 14635 17180 18898 29270 32197 37796 47245 58540 64394 94490 128788 160985 188980 321970 643940 2514293 5028586 10057172 12571465 25142930 27657223 50285860 55314446 110628892 138286115 276572230 553144460