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1401038941 = 5326434697
BaseRepresentation
bin101001110000010…
…0010100001011101
310121122022011010011
41103200202201131
510332131221231
6351005043221
746501430431
oct12340424135
93548264104
101401038941
11659939325
12331256511
13194353633
14d41029c1
1582eec9b1
hex5382285d

1401038941 has 4 divisors (see below), whose sum is σ = 1427473692. Its totient is φ = 1374604192.

The previous prime is 1401038927. The next prime is 1401038971. The reversal of 1401038941 is 1498301041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1498301041 = 11631288307.

It can be written as a sum of positive squares in 2 ways, for example, as 998876025 + 402162916 = 31605^2 + 20054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401038941 - 219 = 1400514653 is a prime.

It is a super-2 number, since 2×14010389412 = 3925820228396802962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401038971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13217296 + ... + 13217401.

It is an arithmetic number, because the mean of its divisors is an integer number (356868423).

Almost surely, 21401038941 is an apocalyptic number.

It is an amenable number.

1401038941 is a deficient number, since it is larger than the sum of its proper divisors (26434751).

1401038941 is an equidigital number, since it uses as much as digits as its factorization.

1401038941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26434750.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1401038941 is about 37430.4547260650. The cubic root of 1401038941 is about 1118.9656002776.

Adding to 1401038941 its reverse (1498301041), we get a palindrome (2899339982).

The spelling of 1401038941 in words is "one billion, four hundred one million, thirty-eight thousand, nine hundred forty-one".

Divisors: 1 53 26434697 1401038941