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1401913 = 31411103
BaseRepresentation
bin101010110010000111001
32122020001201
411112100321
5324330123
650014201
714626132
oct5262071
92566051
101401913
11878307
12577361
133a1146
14286c89
151ca5ad
hex156439

1401913 has 8 divisors (see below), whose sum is σ = 1483776. Its totient is φ = 1322400.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401913 is 3191041.

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 1401913 - 29 = 1401401 is a prime.

It is a Duffinian number.

1401913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1401943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720 + ... + 1822.

It is an arithmetic number, because the mean of its divisors is an integer number (185472).

21401913 is an apocalyptic number.

It is an amenable number.

1401913 is a deficient number, since it is larger than the sum of its proper divisors (81863).

1401913 is a wasteful number, since it uses less digits than its factorization.

1401913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1401913 is about 1184.0240707013. The cubic root of 1401913 is about 111.9198246353.

Adding to 1401913 its reverse (3191041), we get a palindrome (4592954).

The spelling of 1401913 in words is "one million, four hundred one thousand, nine hundred thirteen".

Divisors: 1 31 41 1103 1271 34193 45223 1401913