Search a number
-
+
407613057 = 3135871019
BaseRepresentation
bin11000010010111…
…010111010000001
31001101222212222220
4120102322322001
51313322104212
6104240321253
713046440155
oct3022727201
91041885886
10407613057
1119a0a57a5
12b4613229
13665a8877
143c1c7065
1525bb938c
hex184bae81

407613057 has 4 divisors (see below), whose sum is σ = 543484080. Its totient is φ = 271742036.

The previous prime is 407613049. The next prime is 407613071. The reversal of 407613057 is 750316704.

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 407613057 - 23 = 407613049 is a prime.

It is a super-2 number, since 2×4076130572 = 332296808473770498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (407613007) 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, 67935507 + ... + 67935512.

It is an arithmetic number, because the mean of its divisors is an integer number (135871020).

Almost surely, 2407613057 is an apocalyptic number.

It is an amenable number.

407613057 is a deficient number, since it is larger than the sum of its proper divisors (135871023).

407613057 is a wasteful number, since it uses less digits than its factorization.

407613057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135871022.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 407613057 is about 20189.4293381462. The cubic root of 407613057 is about 741.4514105836.

The spelling of 407613057 in words is "four hundred seven million, six hundred thirteen thousand, fifty-seven".

Divisors: 1 3 135871019 407613057