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5172560 = 245194183
BaseRepresentation
bin10011101110110101010000
3100201210102022
4103232311100
52311010220
6302511012
761652231
oct23566520
910653368
105172560
112a13248
121895468
1310c14b3
14989088
156c2925
hex4eed50

5172560 has 80 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 1889280.

The previous prime is 5172553. The next prime is 5172569. The reversal of 5172560 is 652715.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172569) 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, 62279 + ... + 62361.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

Almost surely, 25172560 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 5172560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562080).

5172560 is an abundant number, since it is smaller than the sum of its proper divisors (7951600).

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

5172560 is a wasteful number, since it uses less digits than its factorization.

5172560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 5172560 is about 2274.3262738666. The cubic root of 5172560 is about 172.9425449890.

It can be divided in two parts, 51 and 72560, that multiplied together give a triangular number (3700560 = T2720).

The spelling of 5172560 in words is "five million, one hundred seventy-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 41 76 80 82 83 95 152 164 166 190 205 304 328 332 380 410 415 656 664 760 779 820 830 1328 1520 1558 1577 1640 1660 3116 3154 3280 3320 3403 3895 6232 6308 6640 6806 7790 7885 12464 12616 13612 15580 15770 17015 25232 27224 31160 31540 34030 54448 62320 63080 64657 68060 126160 129314 136120 258628 272240 323285 517256 646570 1034512 1293140 2586280 5172560