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552055420 = 225747531583
BaseRepresentation
bin100000111001111…
…011001001111100
31102110210022200001
4200321323021330
52112311233140
6130440244044
716452252010
oct4071731174
91373708601
10552055420
11263691454
12134a70624
138a4acc17
1453466540
15336ebe9a
hex20e7b27c

552055420 has 96 divisors (see below), whose sum is σ = 1379524608. Its totient is φ = 181638912.

The previous prime is 552055403. The next prime is 552055423. The reversal of 552055420 is 24550255.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552055423) 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, 347949 + ... + 349531.

It is an arithmetic number, because the mean of its divisors is an integer number (14370048).

Almost surely, 2552055420 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 552055420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689762304).

552055420 is an abundant number, since it is smaller than the sum of its proper divisors (827469188).

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

552055420 is a wasteful number, since it uses less digits than its factorization.

552055420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 552055420 is about 23495.8596352634. The cubic root of 552055420 is about 820.3406377735.

The spelling of 552055420 in words is "five hundred fifty-two million, fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 53 70 94 106 140 188 212 235 265 329 371 470 530 658 742 940 1060 1316 1484 1583 1645 1855 2491 3166 3290 3710 4982 6332 6580 7420 7915 9964 11081 12455 15830 17437 22162 24910 31660 34874 44324 49820 55405 69748 74401 83899 87185 110810 148802 167798 174370 221620 297604 335596 348740 372005 419495 520807 587293 744010 838990 1041614 1174586 1488020 1677980 2083228 2349172 2604035 2936465 3943253 5208070 5872930 7886506 10416140 11745860 15773012 19716265 27602771 39432530 55205542 78865060 110411084 138013855 276027710 552055420