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1401598223 = 12401113023
BaseRepresentation
bin101001110001010…
…1011000100001111
310121200100120022022
41103202223010033
510332302120343
6351025040355
746506250124
oct12342530417
93550316268
101401598223
1165a190543
123314860bb
131944bb07c
14d420a74b
15830ad568
hex538ab10f

1401598223 has 4 divisors (see below), whose sum is σ = 1401723648. Its totient is φ = 1401472800.

The previous prime is 1401598183. The next prime is 1401598249. The reversal of 1401598223 is 3228951041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3228951041 = 31104159711.

It is a cyclic number.

It is not a de Polignac number, because 1401598223 - 222 = 1397403919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401598823) 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, 44111 + ... + 68912.

It is an arithmetic number, because the mean of its divisors is an integer number (350430912).

Almost surely, 21401598223 is an apocalyptic number.

1401598223 is a deficient number, since it is larger than the sum of its proper divisors (125425).

1401598223 is a wasteful number, since it uses less digits than its factorization.

1401598223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125424.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1401598223 is about 37437.9249291410. The cubic root of 1401598223 is about 1119.1144740991.

The spelling of 1401598223 in words is "one billion, four hundred one million, five hundred ninety-eight thousand, two hundred twenty-three".

Divisors: 1 12401 113023 1401598223