Search a number
-
+
253575429 = 3431965701
BaseRepresentation
bin11110001110101…
…00000100000101
3122200010222002120
433013110010011
51004403403204
641055000153
76166232652
oct1707240405
9580128076
10253575429
11120155a78
1270b09059
13406c4c43
142596ac29
15173dd6d9
hexf1d4105

253575429 has 8 divisors (see below), whose sum is σ = 345963552. Its totient is φ = 165118800.

The previous prime is 253575403. The next prime is 253575433. The reversal of 253575429 is 924575352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253575429 - 211 = 253573381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253575929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982722 + ... + 982979.

It is an arithmetic number, because the mean of its divisors is an integer number (43245444).

Almost surely, 2253575429 is an apocalyptic number.

It is an amenable number.

253575429 is a deficient number, since it is larger than the sum of its proper divisors (92388123).

253575429 is a wasteful number, since it uses less digits than its factorization.

253575429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965747.

The product of its digits is 378000, while the sum is 42.

The square root of 253575429 is about 15924.0519027037. The cubic root of 253575429 is about 632.9494929616.

The spelling of 253575429 in words is "two hundred fifty-three million, five hundred seventy-five thousand, four hundred twenty-nine".

Divisors: 1 3 43 129 1965701 5897103 84525143 253575429