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5115720 = 233589479
BaseRepresentation
bin10011100000111101001000
3100121220110010
4103200331020
52302200340
6301351520
761324431
oct23407510
910556403
105115720
112984575
1218685a0
1310a166c
14972488
156b0b80
hex4e0f48

5115720 has 64 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 1346048.

The previous prime is 5115709. The next prime is 5115727. The reversal of 5115720 is 275115.

It is a super-2 number, since 2×51157202 = 52341182236800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10441 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 25115720 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 5115720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7776000).

5115720 is an abundant number, since it is smaller than the sum of its proper divisors (10436280).

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

5115720 is a wasteful number, since it uses less digits than its factorization.

5115720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 5115720 is about 2261.7957467464. The cubic root of 5115720 is about 172.3067358741.

The spelling of 5115720 in words is "five million, one hundred fifteen thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 89 120 178 267 356 445 479 534 712 890 958 1068 1335 1437 1780 1916 2136 2395 2670 2874 3560 3832 4790 5340 5748 7185 9580 10680 11496 14370 19160 28740 42631 57480 85262 127893 170524 213155 255786 341048 426310 511572 639465 852620 1023144 1278930 1705240 2557860 5115720