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1409271401 = 1974172179
BaseRepresentation
bin101001111111111…
…1100011001101001
310122012210101221002
41103333330121221
510341233141101
6351501324345
746631415656
oct12377743151
93565711832
101409271401
1166355150a
12333b666b5
13195c76805
14d5246c2d
1583ac6d6b
hex53ffc669

1409271401 has 4 divisors (see below), whose sum is σ = 1483443600. Its totient is φ = 1335099204.

The previous prime is 1409271371. The next prime is 1409271419. The reversal of 1409271401 is 1041729041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1041729041 = 2345292567.

It is a cyclic number.

It is not a de Polignac number, because 1409271401 - 210 = 1409270377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409271701) 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, 37086071 + ... + 37086108.

It is an arithmetic number, because the mean of its divisors is an integer number (370860900).

Almost surely, 21409271401 is an apocalyptic number.

It is an amenable number.

1409271401 is a deficient number, since it is larger than the sum of its proper divisors (74172199).

1409271401 is an equidigital number, since it uses as much as digits as its factorization.

1409271401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74172198.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1409271401 is about 37540.2637310928. The cubic root of 1409271401 is about 1121.1529902022.

The spelling of 1409271401 in words is "one billion, four hundred nine million, two hundred seventy-one thousand, four hundred one".

Divisors: 1 19 74172179 1409271401