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240570421 = 71319113841
BaseRepresentation
bin11100101011011…
…01000000110101
3121202200020120121
432111231000311
5443041223141
635512131541
75650546330
oct1625550065
9552606517
10240570421
11113883133
1268696bb1
133aac0680
1423d43617
15161c01d1
hexe56d035

240570421 has 16 divisors (see below), whose sum is σ = 297658368. Its totient is φ = 189331200.

The previous prime is 240570413. The next prime is 240570427. The reversal of 240570421 is 124075042.

240570421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 240570421 - 23 = 240570413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240570427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10461 + ... + 24301.

It is an arithmetic number, because the mean of its divisors is an integer number (18603648).

Almost surely, 2240570421 is an apocalyptic number.

It is an amenable number.

240570421 is a deficient number, since it is larger than the sum of its proper divisors (57087947).

240570421 is a wasteful number, since it uses less digits than its factorization.

240570421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14052.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 240570421 is about 15510.3327172566. The cubic root of 240570421 is about 621.9384535002.

The spelling of 240570421 in words is "two hundred forty million, five hundred seventy thousand, four hundred twenty-one".

Divisors: 1 7 13 91 191 1337 2483 13841 17381 96887 179933 1259531 2643631 18505417 34367203 240570421