Search a number
-
+
401532 = 22333461
BaseRepresentation
bin1100010000001111100
3202101210120
41202001330
5100322112
612334540
73261435
oct1420174
9671716
10401532
1125474a
12174450
131109c1
14a648c
157de8c
hex6207c

401532 has 12 divisors (see below), whose sum is σ = 936936. Its totient is φ = 133840.

The previous prime is 401519. The next prime is 401537. The reversal of 401532 is 235104.

401532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4015322 = 322455894048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401537) by changing a digit.

401532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16719 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (78078).

2401532 is an apocalyptic number.

It is an amenable number.

401532 is an abundant number, since it is smaller than the sum of its proper divisors (535404).

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

401532 is a wasteful number, since it uses less digits than its factorization.

401532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33468 (or 33466 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 401532 is about 633.6655269146. The cubic root of 401532 is about 73.7745757415.

Adding to 401532 its reverse (235104), we get a palindrome (636636).

The spelling of 401532 in words is "four hundred one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 33461 66922 100383 133844 200766 401532