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1426881 = 31925033
BaseRepresentation
bin101011100010111000001
32200111022110
411130113001
5331130011
650325533
715062001
oct5342701
92614273
101426881
11895045
125898a9
133ac611
14292001
151d2ba6
hex15c5c1

1426881 has 8 divisors (see below), whose sum is σ = 2002720. Its totient is φ = 901152.

The previous prime is 1426877. The next prime is 1426883. The reversal of 1426881 is 1886241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1426881 - 22 = 1426877 is a prime.

It is a super-2 number, since 2×14268812 = 4071978776322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12460 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (250340).

21426881 is an apocalyptic number.

It is an amenable number.

1426881 is a deficient number, since it is larger than the sum of its proper divisors (575839).

1426881 is a wasteful number, since it uses less digits than its factorization.

1426881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055.

The product of its digits is 3072, while the sum is 30.

The square root of 1426881 is about 1194.5212430091. The cubic root of 1426881 is about 112.5803475404.

The spelling of 1426881 in words is "one million, four hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 3 19 57 25033 75099 475627 1426881