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401361801 = 32513731429
BaseRepresentation
bin10111111011000…
…100101110001001
31000222020021212220
4113323010232021
51310222034201
6103454324253
712642343011
oct2773045611
91028207786
10401361801
11196616075
12b24b9689
13651ca3b9
143b43ac41
1525382036
hex17ec4b89

401361801 has 16 divisors (see below), whose sum is σ = 539098560. Its totient is φ = 265608000.

The previous prime is 401361773. The next prime is 401361803. The reversal of 401361801 is 108163104.

It is not a de Polignac number, because 401361801 - 213 = 401353609 is a prime.

It is a super-2 number, since 2×4013618012 = 322182590603927202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401361803) 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, 280155 + ... + 281583.

It is an arithmetic number, because the mean of its divisors is an integer number (33693660).

Almost surely, 2401361801 is an apocalyptic number.

It is an amenable number.

401361801 is a deficient number, since it is larger than the sum of its proper divisors (137736759).

401361801 is a wasteful number, since it uses less digits than its factorization.

401361801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 401361801 is about 20034.0160976276. The cubic root of 401361801 is about 737.6415055869.

The spelling of 401361801 in words is "four hundred one million, three hundred sixty-one thousand, eight hundred one".

Divisors: 1 3 251 373 753 1119 1429 4287 93623 280869 358679 533017 1076037 1599051 133787267 401361801