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552215460 = 2235431931109
BaseRepresentation
bin100000111010100…
…010001110100100
31102111002110012110
4200322202032210
52112331343320
6130443521020
716453516416
oct4072421644
91374073173
10552215460
11263790715
12134b29170
138a537a14
14534a89b6
153372e5e0
hex20ea23a4

552215460 has 96 divisors (see below), whose sum is σ = 1591793280. Its totient is φ = 142958592.

The previous prime is 552215459. The next prime is 552215467. The reversal of 552215460 is 64512255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (552215467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497386 + ... + 498494.

It is an arithmetic number, because the mean of its divisors is an integer number (16581180).

Almost surely, 2552215460 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 552215460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795896640).

552215460 is an abundant number, since it is smaller than the sum of its proper divisors (1039577820).

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

552215460 is a wasteful number, since it uses less digits than its factorization.

552215460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 552215460 is about 23499.2650948918. The cubic root of 552215460 is about 820.4199019356.

The spelling of 552215460 in words is "five hundred fifty-two million, two hundred fifteen thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 193 215 258 386 430 516 579 645 772 860 965 1109 1158 1290 1930 2218 2316 2580 2895 3327 3860 4436 5545 5790 6654 8299 11090 11580 13308 16598 16635 22180 24897 33196 33270 41495 47687 49794 66540 82990 95374 99588 124485 143061 165980 190748 214037 238435 248970 286122 428074 476870 497940 572244 642111 715305 856148 953740 1070185 1284222 1430610 2140370 2568444 2861220 3210555 4280740 6421110 9203591 12842220 18407182 27610773 36814364 46017955 55221546 92035910 110443092 138053865 184071820 276107730 552215460