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52400535 = 35112947233
BaseRepresentation
bin1100011111100…
…1000110010111
310122121020000120
43013321012113
5101403304120
65111043023
71204253145
oct307710627
9118536016
1052400535
1127640330
1215670473
13ab18c45
146d60595
154901140
hex31f9197

52400535 has 64 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 23905280.

The previous prime is 52400527. The next prime is 52400567. The reversal of 52400535 is 53500425.

It is not a de Polignac number, because 52400535 - 23 = 52400527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224779 + ... + 225011.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 252400535 is an apocalyptic number.

52400535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52400535 is a deficient number, since it is larger than the sum of its proper divisors (44643945).

52400535 is a wasteful number, since it uses less digits than its factorization.

52400535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 52400535 is about 7238.8213819654. The cubic root of 52400535 is about 374.2069998061.

The spelling of 52400535 in words is "fifty-two million, four hundred thousand, five hundred thirty-five".

Divisors: 1 3 5 11 15 29 33 47 55 87 141 145 165 233 235 319 435 517 699 705 957 1165 1363 1551 1595 2563 2585 3495 4089 4785 6757 6815 7689 7755 10951 12815 14993 20271 20445 32853 33785 38445 44979 54755 74327 74965 101355 120461 164265 222981 224895 317579 361383 371635 602305 952737 1114905 1587895 1806915 3493369 4763685 10480107 17466845 52400535