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52950660 = 22357139907
BaseRepresentation
bin1100100111111…
…1011010000100
310200122011122120
43021333122010
5102023410120
65130525540
71212034050
oct311773204
9120564576
1052950660
1127986684
12158968b0
13ac7c469
147064c60
1549ae140
hex327f684

52950660 has 96 divisors (see below), whose sum is σ = 170849280. Its totient is φ = 12002688.

The previous prime is 52950659. The next prime is 52950679. The reversal of 52950660 is 6605925.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57927 + ... + 58833.

It is an arithmetic number, because the mean of its divisors is an integer number (1779680).

Almost surely, 252950660 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 52950660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85424640).

52950660 is an abundant number, since it is smaller than the sum of its proper divisors (117898620).

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

52950660 is a wasteful number, since it uses less digits than its factorization.

52950660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 52950660 is about 7276.7204151321. The cubic root of 52950660 is about 375.5119762516.

The spelling of 52950660 in words is "fifty-two million, nine hundred fifty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 139 140 210 278 417 420 556 695 834 907 973 1390 1668 1814 1946 2085 2721 2780 2919 3628 3892 4170 4535 4865 5442 5838 6349 8340 9070 9730 10884 11676 12698 13605 14595 18140 19047 19460 25396 27210 29190 31745 38094 54420 58380 63490 76188 95235 126073 126980 190470 252146 378219 380940 504292 630365 756438 882511 1260730 1512876 1765022 1891095 2521460 2647533 3530044 3782190 4412555 5295066 7564380 8825110 10590132 13237665 17650220 26475330 52950660