Search a number
-
+
402441103431 = 3331793468821
BaseRepresentation
bin1011101101100110101…
…10111110100001000111
31102110202210221021101000
411312303112332201013
523043144410302211
6504513501304343
741034602636433
oct5666326764107
91373683837330
10402441103431
11145746569554
1265bb48650b3
132bc472b8b43
141569a4819c3
15a705d8d656
hex5db35be847

402441103431 has 16 divisors (see below), whose sum is σ = 596229066720. Its totient is φ = 268285057920.

The previous prime is 402441103369. The next prime is 402441103483. The reversal of 402441103431 is 134301144204.

It is not a de Polignac number, because 402441103431 - 26 = 402441103367 is a prime.

It is a super-2 number, since 2×4024411034312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 402441103395 and 402441103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441103531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624001 + ... + 1092821.

It is an arithmetic number, because the mean of its divisors is an integer number (37264316670).

Almost surely, 2402441103431 is an apocalyptic number.

402441103431 is a deficient number, since it is larger than the sum of its proper divisors (193787963289).

402441103431 is a wasteful number, since it uses less digits than its factorization.

402441103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500623 (or 500617 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 402441103431 its reverse (134301144204), we get a palindrome (536742247635).

The spelling of 402441103431 in words is "four hundred two billion, four hundred forty-one million, one hundred three thousand, four hundred thirty-one".

Divisors: 1 3 9 27 31793 95379 286137 468821 858411 1406463 4219389 12658167 14905226053 44715678159 134147034477 402441103431