Search a number
-
+
1264032725 = 52181127919
BaseRepresentation
bin100101101010111…
…1001101111010101
310021002111111220212
41023111321233111
510042043021400
6325232335205
743216046414
oct11325715725
93232444825
101264032725
1159957154a
122b33a4505
13171b53b77
14bdc3b47b
1575e88335
hex4b579bd5

1264032725 has 12 divisors (see below), whose sum is σ = 1568322240. Its totient is φ = 1010631600.

The previous prime is 1264032701. The next prime is 1264032733. The reversal of 1264032725 is 5272304621.

It is not a de Polignac number, because 1264032725 - 26 = 1264032661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264032691 and 1264032700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31316 + ... + 59234.

It is an arithmetic number, because the mean of its divisors is an integer number (130693520).

Almost surely, 21264032725 is an apocalyptic number.

It is an amenable number.

1264032725 is a deficient number, since it is larger than the sum of its proper divisors (304289515).

1264032725 is a wasteful number, since it uses less digits than its factorization.

1264032725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29740 (or 29735 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1264032725 is about 35553.2378975530. The cubic root of 1264032725 is about 1081.2333660443.

The spelling of 1264032725 in words is "one billion, two hundred sixty-four million, thirty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 1811 9055 27919 45275 139595 697975 50561309 252806545 1264032725