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552262640 = 24511361091
BaseRepresentation
bin100000111010101…
…101101111110000
31102111011211220212
4200322231233300
52112334401030
6130444523252
716454104106
oct4072555760
91374154825
10552262640
11263813106
12134b50528
138a553337
14534bbc76
153373d595
hex20eadbf0

552262640 has 40 divisors (see below), whose sum is σ = 1295394768. Its totient is φ = 218946560.

The previous prime is 552262621. The next prime is 552262657. The reversal of 552262640 is 46262255.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 552262597 and 552262606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21506 + ... + 39585.

Almost surely, 2552262640 is an apocalyptic number.

It is an amenable number.

552262640 is an abundant number, since it is smaller than the sum of its proper divisors (743132128).

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

552262640 is a wasteful number, since it uses less digits than its factorization.

552262640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61217 (or 61211 counting only the distinct ones).

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

The square root of 552262640 is about 23500.2689346314. The cubic root of 552262640 is about 820.4432661908.

The spelling of 552262640 in words is "five hundred fifty-two million, two hundred sixty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 113 226 452 565 904 1130 1808 2260 4520 9040 61091 122182 244364 305455 488728 610910 977456 1221820 2443640 4887280 6903283 13806566 27613132 34516415 55226264 69032830 110452528 138065660 276131320 552262640