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400484 = 22714303
BaseRepresentation
bin1100001110001100100
3202100100202
41201301210
5100303414
612330032
73255410
oct1416144
9670322
10400484
11253987
12173918
13110396
14a5d40
157d9de
hex61c64

400484 has 12 divisors (see below), whose sum is σ = 801024. Its totient is φ = 171624.

The previous prime is 400481. The next prime is 400523. The reversal of 400484 is 484004.

400484 is an admirable number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (400481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (66752).

2400484 is an apocalyptic number.

It is an amenable number.

400484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400484 is a wasteful number, since it uses less digits than its factorization.

400484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314 (or 14312 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 400484 is about 632.8380519533. The cubic root of 400484 is about 73.7103358487.

Adding to 400484 its reverse (484004), we get a palindrome (884488).

It can be divided in two parts, 400 and 484, that multiplied together give a square (193600 = 4402).

The spelling of 400484 in words is "four hundred thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 14303 28606 57212 100121 200242 400484