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426945 = 3528463
BaseRepresentation
bin1101000001111000001
3210200122210
41220033001
5102130240
613052333
73425511
oct1501701
9720583
10426945
11271852
121870a9
1311c43c
14b1841
1586780
hex683c1

426945 has 8 divisors (see below), whose sum is σ = 683136. Its totient is φ = 227696.

The previous prime is 426941. The next prime is 426971. The reversal of 426945 is 549624.

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

It is a cyclic number.

It is not a de Polignac number, because 426945 - 22 = 426941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426941) 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, 14217 + ... + 14246.

It is an arithmetic number, because the mean of its divisors is an integer number (85392).

2426945 is an apocalyptic number.

It is an amenable number.

426945 is a deficient number, since it is larger than the sum of its proper divisors (256191).

426945 is a wasteful number, since it uses less digits than its factorization.

426945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471.

The product of its digits is 8640, while the sum is 30.

The square root of 426945 is about 653.4102845839. The cubic root of 426945 is about 75.2992488580.

The spelling of 426945 in words is "four hundred twenty-six thousand, nine hundred forty-five".

Divisors: 1 3 5 15 28463 85389 142315 426945