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407024641 = 1492731709
BaseRepresentation
bin11000010000101…
…011010000000001
31001100212222211201
4120100223100001
51313144242031
6104215541201
713041436522
oct3020532001
91040788751
10407024641
11199833701
12b438a801
1366430aaa
143c0b2849
1525aeed61
hex1842b401

407024641 has 4 divisors (see below), whose sum is σ = 409756500. Its totient is φ = 404292784.

The previous prime is 407024623. The next prime is 407024749. The reversal of 407024641 is 146420704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 392040000 = 3871^2 + 19800^2 .

It is a cyclic number.

It is not a de Polignac number, because 407024641 - 25 = 407024609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407024621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365706 + ... + 1366003.

It is an arithmetic number, because the mean of its divisors is an integer number (102439125).

Almost surely, 2407024641 is an apocalyptic number.

It is an amenable number.

407024641 is a deficient number, since it is larger than the sum of its proper divisors (2731859).

407024641 is a wasteful number, since it uses less digits than its factorization.

407024641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731858.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 407024641 is about 20174.8516971005. The cubic root of 407024641 is about 741.0944609651.

The spelling of 407024641 in words is "four hundred seven million, twenty-four thousand, six hundred forty-one".

Divisors: 1 149 2731709 407024641