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252401365 = 5211239243
BaseRepresentation
bin11110000101101…
…01011011010101
3122120221022120201
433002311123111
51004103320430
641013500501
76153243016
oct1702653325
9576838521
10252401365
1111a523977
1270641731
13403a3728
142574300d
151725a8ca
hexf0b56d5

252401365 has 8 divisors (see below), whose sum is σ = 304318368. Its totient is φ = 200963280.

The previous prime is 252401353. The next prime is 252401389. The reversal of 252401365 is 563104252.

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

It is not a de Polignac number, because 252401365 - 211 = 252399317 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 7 ways as a sum of consecutive naturals, for example, 118567 + ... + 120676.

It is an arithmetic number, because the mean of its divisors is an integer number (38039796).

Almost surely, 2252401365 is an apocalyptic number.

It is an amenable number.

252401365 is a deficient number, since it is larger than the sum of its proper divisors (51917003).

252401365 is a wasteful number, since it uses less digits than its factorization.

252401365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239459.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 252401365 is about 15887.1446459079. The cubic root of 252401365 is about 631.9711212636.

The spelling of 252401365 in words is "two hundred fifty-two million, four hundred one thousand, three hundred sixty-five".

Divisors: 1 5 211 1055 239243 1196215 50480273 252401365