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401313023 = 4310787223
BaseRepresentation
bin10111111010111…
…000110011111111
31000222010210222022
4113322320303333
51310214004043
6103453310355
712642050546
oct2772706377
91028123868
10401313023
11196592461
12b24953bb
13651b1137
143b42715d
1525372868
hex17eb8cff

401313023 has 8 divisors (see below), whose sum is σ = 414488448. Its totient is φ = 388312344.

The previous prime is 401313013. The next prime is 401313053. The reversal of 401313023 is 320313104.

It is a happy number.

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 401313023 - 24 = 401313007 is a prime.

It is a super-2 number, since 2×4013130232 = 322104284858797058, 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 = 401312992 and 401313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401313013) 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, 39011 + ... + 48212.

It is an arithmetic number, because the mean of its divisors is an integer number (51811056).

Almost surely, 2401313023 is an apocalyptic number.

401313023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

401313023 is a deficient number, since it is larger than the sum of its proper divisors (13175425).

401313023 is a wasteful number, since it uses less digits than its factorization.

401313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87373.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 401313023 is about 20032.7986811628. The cubic root of 401313023 is about 737.6116222124.

Adding to 401313023 its reverse (320313104), we get a palindrome (721626127).

The spelling of 401313023 in words is "four hundred one million, three hundred thirteen thousand, twenty-three".

Divisors: 1 43 107 4601 87223 3750589 9332861 401313023