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401502041 = 1571255571
BaseRepresentation
bin10111111011100…
…110111101011001
31000222111102020222
4113323212331121
51310241031131
6103501325425
712643465613
oct2773467531
91028442228
10401502041
11196701476
12b2566875
1365249195
143b475db3
15253ad87b
hex17ee6f59

401502041 has 4 divisors (see below), whose sum is σ = 401759184. Its totient is φ = 401244900.

The previous prime is 401502019. The next prime is 401502043. The reversal of 401502041 is 140205104.

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 401502041 - 222 = 397307737 is a prime.

It is a super-2 number, since 2×4015020412 = 322407777854331362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401502043) 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, 126215 + ... + 129356.

It is an arithmetic number, because the mean of its divisors is an integer number (100439796).

Almost surely, 2401502041 is an apocalyptic number.

It is an amenable number.

401502041 is a deficient number, since it is larger than the sum of its proper divisors (257143).

401502041 is a wasteful number, since it uses less digits than its factorization.

401502041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257142.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 401502041 is about 20037.5158390455. The cubic root of 401502041 is about 737.7274087948.

Adding to 401502041 its reverse (140205104), we get a palindrome (541707145).

The spelling of 401502041 in words is "four hundred one million, five hundred two thousand, forty-one".

Divisors: 1 1571 255571 401502041