Search a number
-
+
401244413 = 19187711251
BaseRepresentation
bin10111111010101…
…000000011111101
31000222000022212012
4113322220003331
51310204310123
6103452021005
712641343533
oct2772500375
91028008765
10401244413
11196545959
12b2461765
1365188b3b
143b40a153
152535c378
hex17ea80fd

401244413 has 8 divisors (see below), whose sum is σ = 422625120. Its totient is φ = 379890000.

The previous prime is 401244401. The next prime is 401244443. The reversal of 401244413 is 314442104.

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 401244413 - 224 = 384467197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401244443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30038 + ... + 41288.

It is an arithmetic number, because the mean of its divisors is an integer number (52828140).

Almost surely, 2401244413 is an apocalyptic number.

It is an amenable number.

401244413 is a deficient number, since it is larger than the sum of its proper divisors (21380707).

401244413 is a wasteful number, since it uses less digits than its factorization.

401244413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 401244413 is about 20031.0861662567. The cubic root of 401244413 is about 737.5695848544.

Adding to 401244413 its reverse (314442104), we get a palindrome (715686517).

The spelling of 401244413 in words is "four hundred one million, two hundred forty-four thousand, four hundred thirteen".

Divisors: 1 19 1877 11251 35663 213769 21118127 401244413