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425618941 = 1138692631
BaseRepresentation
bin11001010111100…
…110110111111101
31002122212200102111
4121113212313331
51332424301231
6110122254021
713355462356
oct3127466775
91078780374
10425618941
111a92838a0
12ba657311
136a241437
1440752d2d
15275744b1
hex195e6dfd

425618941 has 4 divisors (see below), whose sum is σ = 464311584. Its totient is φ = 386926300.

The previous prime is 425618927. The next prime is 425618951. The reversal of 425618941 is 149816524.

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 425618941 - 27 = 425618813 is a prime.

It is a super-2 number, since 2×4256189412 = 362302965875922962, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 425618894 and 425618903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425618911) 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, 19346305 + ... + 19346326.

It is an arithmetic number, because the mean of its divisors is an integer number (116077896).

Almost surely, 2425618941 is an apocalyptic number.

It is an amenable number.

425618941 is a deficient number, since it is larger than the sum of its proper divisors (38692643).

425618941 is a wasteful number, since it uses less digits than its factorization.

425618941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38692642.

The product of its digits is 69120, while the sum is 40.

The square root of 425618941 is about 20630.5341908541. The cubic root of 425618941 is about 752.2121007693.

The spelling of 425618941 in words is "four hundred twenty-five million, six hundred eighteen thousand, nine hundred forty-one".

Divisors: 1 11 38692631 425618941