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401311134 = 23273185009
BaseRepresentation
bin10111111010111…
…000010110011110
31000222010201101100
4113322320112132
51310213424014
6103453253530
712642042210
oct2772702636
91028121340
10401311134
11196590aa4
12b24942a6
13651b0313
143b4265b0
1525372009
hex17eb859e

401311134 has 24 divisors (see below), whose sum is σ = 993723120. Its totient is φ = 114660288.

The previous prime is 401311133. The next prime is 401311171. The reversal of 401311134 is 431113104.

It is a super-2 number, since 2×4013111342 = 322101252544731912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592379 + ... + 1592630.

It is an arithmetic number, because the mean of its divisors is an integer number (41405130).

Almost surely, 2401311134 is an apocalyptic number.

401311134 is an abundant number, since it is smaller than the sum of its proper divisors (592411986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401311134 is a wasteful number, since it uses less digits than its factorization.

401311134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185024 (or 3185021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 401311134 is about 20032.7515334265. The cubic root of 401311134 is about 737.6104648860.

Adding to 401311134 its reverse (431113104), we get a palindrome (832424238).

The spelling of 401311134 in words is "four hundred one million, three hundred eleven thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 3185009 6370018 9555027 19110054 22295063 28665081 44590126 57330162 66885189 133770378 200655567 401311134