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407425973 = 631645683
BaseRepresentation
bin11000010010001…
…101001110110101
31001101122101100212
4120102031032311
51313300112343
6104232315205
713045030553
oct3022151665
91041571325
10407425973
11199a88189
12b4542b05
1366541676
143c178bd3
1525b7dc18
hex1848d3b5

407425973 has 4 divisors (see below), whose sum is σ = 408072288. Its totient is φ = 406779660.

The previous prime is 407425969. The next prime is 407426003. The reversal of 407425973 is 379524704.

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 407425973 - 22 = 407425969 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 407425973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407425273) 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, 322211 + ... + 323472.

It is an arithmetic number, because the mean of its divisors is an integer number (102018072).

Almost surely, 2407425973 is an apocalyptic number.

It is an amenable number.

407425973 is a deficient number, since it is larger than the sum of its proper divisors (646315).

407425973 is an equidigital number, since it uses as much as digits as its factorization.

407425973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646314.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 407425973 is about 20184.7955897502. The cubic root of 407425973 is about 741.3379574604.

The spelling of 407425973 in words is "four hundred seven million, four hundred twenty-five thousand, nine hundred seventy-three".

Divisors: 1 631 645683 407425973