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5297507280 = 2432513565973
BaseRepresentation
bin1001110111100000…
…11000101111010000
3111200012012020211100
410323300120233100
541322130213110
62233355544400
7245164032432
oct47360305720
914605166740
105297507280
11227933969a
12103a15b100
13665695bc0
143837c6652
15210121bc0
hex13bc18bd0

5297507280 has 120 divisors (see below), whose sum is σ = 19159351848. Its totient is φ = 1303999488.

The previous prime is 5297507263. The next prime is 5297507311. The reversal of 5297507280 is 827057925.

It is a happy number.

5297507280 is a `hidden beast` number, since 52 + 97 + 507 + 2 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 663165504 + 4634341776 = 25752^2 + 68076^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273627 + ... + 292346.

Almost surely, 25297507280 is an apocalyptic number.

It is an amenable number.

5297507280 is an abundant number, since it is smaller than the sum of its proper divisors (13861844568).

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

5297507280 is a wasteful number, since it uses less digits than its factorization.

5297507280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566005 (or 565996 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 5297507280 is about 72783.9768080860. The cubic root of 5297507280 is about 1743.2400193619.

The spelling of 5297507280 in words is "five billion, two hundred ninety-seven million, five hundred seven thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 565973 1131946 1697919 2263892 2829865 3395838 4527784 5093757 5659730 6791676 7357649 8489595 9055568 10187514 11319460 13583352 14715298 16979190 20375028 22072947 22638920 25468785 27166704 29430596 33958380 36788245 40750056 44145894 45277840 50937570 58861192 66218841 67916760 73576490 81500112 88291788 101875140 110364735 117722384 132437682 135833520 147152980 176583576 203750280 220729470 264875364 294305960 331094205 353167152 407500560 441458940 529750728 588611920 662188410 882917880 1059501456 1324376820 1765835760 2648753640 5297507280