[go: up one dir, main page]

Search a number
-
+
401056441 = 1992015359
BaseRepresentation
bin10111111001111…
…010001010111001
31000221122210000021
4113321322022321
51310132301231
6103444010441
712636631522
oct2771721271
91027583007
10401056441
11196427705
12b2390a21
1365121406
143b39b849
1525321811
hex17e7a2b9

401056441 has 4 divisors (see below), whose sum is σ = 403072000. Its totient is φ = 399040884.

The previous prime is 401056421. The next prime is 401056471. The reversal of 401056441 is 144650104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401056441 - 215 = 401023673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401056421) 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, 1007481 + ... + 1007878.

It is an arithmetic number, because the mean of its divisors is an integer number (100768000).

Almost surely, 2401056441 is an apocalyptic number.

It is an amenable number.

401056441 is a deficient number, since it is larger than the sum of its proper divisors (2015559).

401056441 is a wasteful number, since it uses less digits than its factorization.

401056441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015558.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 401056441 is about 20026.3936094345. The cubic root of 401056441 is about 737.4543898251.

The spelling of 401056441 in words is "four hundred one million, fifty-six thousand, four hundred forty-one".

Divisors: 1 199 2015359 401056441