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1402123241 = 10313612847
BaseRepresentation
bin101001110010010…
…1011001111101001
310121201100020111102
41103210223033221
510332420420431
6351044211145
746513564601
oct12344531751
93551306442
101402123241
1165a509a42
12331699ab5
1319464302c
14d4305c01
1583163dcb
hex5392b3e9

1402123241 has 4 divisors (see below), whose sum is σ = 1415736192. Its totient is φ = 1388510292.

The previous prime is 1402123237. The next prime is 1402123243. The reversal of 1402123241 is 1423212041.

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 1402123241 - 22 = 1402123237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402123243) 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 3 ways as a sum of consecutive naturals, for example, 6806321 + ... + 6806526.

It is an arithmetic number, because the mean of its divisors is an integer number (353934048).

Almost surely, 21402123241 is an apocalyptic number.

It is an amenable number.

1402123241 is a deficient number, since it is larger than the sum of its proper divisors (13612951).

1402123241 is a wasteful number, since it uses less digits than its factorization.

1402123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13612950.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1402123241 is about 37444.9361195877. The cubic root of 1402123241 is about 1119.2541912414.

Adding to 1402123241 its reverse (1423212041), we get a palindrome (2825335282).

The spelling of 1402123241 in words is "one billion, four hundred two million, one hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 103 13612847 1402123241