Search a number
-
+
401079 = 3771269
BaseRepresentation
bin1100001111010110111
3202101011210
41201322313
5100313304
612332503
73260220
oct1417267
9671153
10401079
11254378
12174133
13110733
14a6247
157dc89
hex61eb7

401079 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 225120.

The previous prime is 401077. The next prime is 401087. The reversal of 401079 is 970104.

It is not a de Polignac number, because 401079 - 21 = 401077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

401079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2401079 is an apocalyptic number.

401079 is a deficient number, since it is larger than the sum of its proper divisors (221001).

401079 is a wasteful number, since it uses less digits than its factorization.

401079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 401079 is about 633.3079819488. The cubic root of 401079 is about 73.7468216575.

The spelling of 401079 in words is "four hundred one thousand, seventy-nine".

Divisors: 1 3 7 21 71 213 269 497 807 1491 1883 5649 19099 57297 133693 401079