Search a number
-
+
253542575 = 52111370921
BaseRepresentation
bin11110001110011…
…00000010101111
3122200002022000202
433013030002233
51004401330300
641054144115
76166035116
oct1707140257
9580068022
10253542575
11120133320
1270ab203b
13406b2cc0
142595cc7d
15173d3ad5
hexf1cc0af

253542575 has 24 divisors (see below), whose sum is σ = 369361776. Its totient is φ = 170208000.

The previous prime is 253542559. The next prime is 253542589. The reversal of 253542575 is 575245352.

It is not a de Polignac number, because 253542575 - 24 = 253542559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31886 + ... + 39035.

It is an arithmetic number, because the mean of its divisors is an integer number (15390074).

Almost surely, 2253542575 is an apocalyptic number.

253542575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253542575 is a deficient number, since it is larger than the sum of its proper divisors (115819201).

253542575 is a wasteful number, since it uses less digits than its factorization.

253542575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70955 (or 70950 counting only the distinct ones).

The product of its digits is 210000, while the sum is 38.

The square root of 253542575 is about 15923.0202851092. The cubic root of 253542575 is about 632.9221561637.

The spelling of 253542575 in words is "two hundred fifty-three million, five hundred forty-two thousand, five hundred seventy-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 70921 354605 780131 921973 1773025 3900655 4609865 10141703 19503275 23049325 50708515 253542575