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425614881 = 3141871627
BaseRepresentation
bin11001010111100…
…101111000100001
31002122212110212010
4121113211320201
51332424134011
6110122223133
713355444466
oct3127457041
91078773763
10425614881
111a928083a
12ba654aa9
136a23c633
144075166d
15275731a6
hex195e5e21

425614881 has 4 divisors (see below), whose sum is σ = 567486512. Its totient is φ = 283743252.

The previous prime is 425614879. The next prime is 425614883. The reversal of 425614881 is 188416524.

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 an interprime number because it is at equal distance from previous prime (425614879) and next prime (425614883).

It is not a de Polignac number, because 425614881 - 21 = 425614879 is a prime.

It is a super-2 number, since 2×4256148812 = 362296053857288322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425614883) 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, 70935811 + ... + 70935816.

It is an arithmetic number, because the mean of its divisors is an integer number (141871628).

Almost surely, 2425614881 is an apocalyptic number.

It is an amenable number.

425614881 is a deficient number, since it is larger than the sum of its proper divisors (141871631).

425614881 is a wasteful number, since it uses less digits than its factorization.

425614881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141871630.

The product of its digits is 61440, while the sum is 39.

The square root of 425614881 is about 20630.4357927796. The cubic root of 425614881 is about 752.2097089657.

The spelling of 425614881 in words is "four hundred twenty-five million, six hundred fourteen thousand, eight hundred eighty-one".

Divisors: 1 3 141871627 425614881