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52460720 = 2451373691
BaseRepresentation
bin1100100000011…
…1110010110000
310122201021120122
43020013302300
5101412220340
65112225412
71204623464
oct310076260
9118637518
1052460720
1127681574
121569b268
13ab3a460
146d784a4
154913db5
hex3207cb0

52460720 has 80 divisors (see below), whose sum is σ = 133345632. Its totient is φ = 19077120.

The previous prime is 52460687. The next prime is 52460741. The reversal of 52460720 is 2706425.

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

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 52460720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75575 + ... + 76265.

Almost surely, 252460720 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 52460720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66672816).

52460720 is an abundant number, since it is smaller than the sum of its proper divisors (80884912).

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

52460720 is a wasteful number, since it uses less digits than its factorization.

52460720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 52460720 is about 7242.9772883808. The cubic root of 52460720 is about 374.3502110113.

The spelling of 52460720 in words is "fifty-two million, four hundred sixty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 73 80 104 130 146 208 260 292 365 520 584 691 730 949 1040 1168 1382 1460 1898 2764 2920 3455 3796 4745 5528 5840 6910 7592 8983 9490 11056 13820 15184 17966 18980 27640 35932 37960 44915 50443 55280 71864 75920 89830 100886 143728 179660 201772 252215 359320 403544 504430 655759 718640 807088 1008860 1311518 2017720 2623036 3278795 4035440 5246072 6557590 10492144 13115180 26230360 52460720