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52085488 = 2471383431
BaseRepresentation
bin1100011010110…
…0001011110000
310122000012212011
43012230023300
5101313213423
65100212304
71201501510
oct306541360
9118005764
1052085488
1127445664
121553a094
13aa38720
146cbb840
15488cb0d
hex31ac2f0

52085488 has 80 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 20309760.

The previous prime is 52085443. The next prime is 52085491. The reversal of 52085488 is 88458025.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52085488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120633 + ... + 121063.

Almost surely, 252085488 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 52085488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62995968).

52085488 is an abundant number, since it is smaller than the sum of its proper divisors (73906448).

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

52085488 is a wasteful number, since it uses less digits than its factorization.

52085488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 52085488 is about 7217.0276430120. The cubic root of 52085488 is about 373.4555453066.

The spelling of 52085488 in words is "fifty-two million, eighty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 83 91 104 112 166 182 208 332 364 431 581 664 728 862 1079 1162 1328 1456 1724 2158 2324 3017 3448 4316 4648 5603 6034 6896 7553 8632 9296 11206 12068 15106 17264 22412 24136 30212 35773 39221 44824 48272 60424 71546 78442 89648 120848 143092 156884 250411 286184 313768 465049 500822 572368 627536 930098 1001644 1860196 2003288 3255343 3720392 4006576 6510686 7440784 13021372 26042744 52085488