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401323229 = 11335310061
BaseRepresentation
bin10111111010111…
…011010011011101
31000222011022222022
4113322323103131
51310214320404
6103453425525
712642122366
oct2772732335
91028138868
10401323229
1119659a09a
12b249b2a5
13651b5988
143b42ab6d
15253758be
hex17ebb4dd

401323229 has 8 divisors (see below), whose sum is σ = 406062072. Its totient is φ = 396605440.

The previous prime is 401323193. The next prime is 401323231. The reversal of 401323229 is 922323104.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 400080004 = 1115^2 + 20002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401323229 - 28 = 401322973 is a prime.

It is a super-2 number, since 2×4013232292 = 322120668269972882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401323198 and 401323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401323289) 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, 34859 + ... + 44919.

It is an arithmetic number, because the mean of its divisors is an integer number (50757759).

Almost surely, 2401323229 is an apocalyptic number.

It is an amenable number.

401323229 is a deficient number, since it is larger than the sum of its proper divisors (4738843).

401323229 is a wasteful number, since it uses less digits than its factorization.

401323229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 401323229 is about 20033.0534117992. The cubic root of 401323229 is about 737.6178750209.

The spelling of 401323229 in words is "four hundred one million, three hundred twenty-three thousand, two hundred twenty-nine".

Divisors: 1 113 353 10061 39889 1136893 3551533 401323229