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401413404 = 22374778731
BaseRepresentation
bin10111111011010…
…001010100011100
31000222022220200010
4113323101110130
51310230212104
6103455403220
712642646320
oct2773212434
91028286603
10401413404
11196650917
12b2523510
1365217a32
143b451980
1525392489
hex17ed151c

401413404 has 24 divisors (see below), whose sum is σ = 1070435968. Its totient is φ = 114689520.

The previous prime is 401413387. The next prime is 401413409. The reversal of 401413404 is 404314104.

It is a super-2 number, since 2×4014134042 = 322265441821734432, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401413409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389282 + ... + 2389449.

Almost surely, 2401413404 is an apocalyptic number.

It is an amenable number.

401413404 is an abundant number, since it is smaller than the sum of its proper divisors (669022564).

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

401413404 is a wasteful number, since it uses less digits than its factorization.

401413404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778745 (or 4778743 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401413404 is about 20035.3039407941. The cubic root of 401413404 is about 737.6731170352.

Adding to 401413404 its reverse (404314104), we get a palindrome (805727508).

The spelling of 401413404 in words is "four hundred one million, four hundred thirteen thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 4778731 9557462 14336193 19114924 28672386 33451117 57344772 66902234 100353351 133804468 200706702 401413404