Search a number
-
+
1402554023 = 13107888771
BaseRepresentation
bin101001110011001…
…0100011010100111
310121202011010102022
41103212110122213
510333023212043
6351101333355
746520340533
oct12346243247
93552133368
101402554023
1165a783662
1233186725b
13194764130
14d43b8bc3
15831eb868
hex539946a7

1402554023 has 4 divisors (see below), whose sum is σ = 1510442808. Its totient is φ = 1294665240.

The previous prime is 1402554017. The next prime is 1402554031. The reversal of 1402554023 is 3204552041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204552041 = 5479584879.

It is a cyclic number.

It is not a de Polignac number, because 1402554023 - 222 = 1398359719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402553983 and 1402554001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402554323) 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, 53944373 + ... + 53944398.

It is an arithmetic number, because the mean of its divisors is an integer number (377610702).

Almost surely, 21402554023 is an apocalyptic number.

1402554023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1402554023 is a deficient number, since it is larger than the sum of its proper divisors (107888785).

1402554023 is a wasteful number, since it uses less digits than its factorization.

1402554023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107888784.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1402554023 is about 37450.6878842031. The cubic root of 1402554023 is about 1119.3688043688.

The spelling of 1402554023 in words is "one billion, four hundred two million, five hundred fifty-four thousand, twenty-three".

Divisors: 1 13 107888771 1402554023