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40870241 = 231776967
BaseRepresentation
bin1001101111101…
…0000101100001
32211220102102122
42123322011201
540430321431
64015554025
71004251136
oct233720541
984812378
1040870241
1121085465
121182b915
13860c999
1455dc58d
1538c4a7b
hex26fa161

40870241 has 4 divisors (see below), whose sum is σ = 42647232. Its totient is φ = 39093252.

The previous prime is 40870231. The next prime is 40870243. The reversal of 40870241 is 14207804.

40870241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40870241 - 26 = 40870177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40870241.

It is not an unprimeable number, because it can be changed into a prime (40870243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888461 + ... + 888506.

It is an arithmetic number, because the mean of its divisors is an integer number (10661808).

Almost surely, 240870241 is an apocalyptic number.

It is an amenable number.

40870241 is a deficient number, since it is larger than the sum of its proper divisors (1776991).

40870241 is a wasteful number, since it uses less digits than its factorization.

40870241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776990.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40870241 is about 6392.9837321864. The cubic root of 40870241 is about 344.4575695041.

The spelling of 40870241 in words is "forty million, eight hundred seventy thousand, two hundred forty-one".

Divisors: 1 23 1776967 40870241