Search a number
-
+
52561495 = 571818297
BaseRepresentation
bin1100100010000…
…0011001010111
310122220101211001
43020200121113
5101423431440
65114324131
71205523340
oct310403127
9118811731
1052561495
1127740258
1215729647
13ab7429c
146da30c7
154933b9a
hex3220657

52561495 has 16 divisors (see below), whose sum is σ = 72491328. Its totient is φ = 35838720.

The previous prime is 52561489. The next prime is 52561499. The reversal of 52561495 is 59416525.

It is not a de Polignac number, because 52561495 - 29 = 52560983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52561499) by changing a digit.

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, 2187 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (4530708).

Almost surely, 252561495 is an apocalyptic number.

52561495 is a deficient number, since it is larger than the sum of its proper divisors (19929833).

52561495 is a wasteful number, since it uses less digits than its factorization.

52561495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490.

The product of its digits is 54000, while the sum is 37.

The square root of 52561495 is about 7249.9306893239. The cubic root of 52561495 is about 374.5897617462.

The spelling of 52561495 in words is "fifty-two million, five hundred sixty-one thousand, four hundred ninety-five".

Divisors: 1 5 7 35 181 905 1267 6335 8297 41485 58079 290395 1501757 7508785 10512299 52561495