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1401202023 = 31347764431
BaseRepresentation
bin101001110000100…
…1010010101100111
310121122121102211020
41103201022111213
510332201431043
6351012342223
746503010044
oct12341122547
93548542736
101401202023
11659a3a901
12331314973
131943ac930
14d41461cb
1583030e83
hex5384a567

1401202023 has 16 divisors (see below), whose sum is σ = 2054793216. Its totient is φ = 843930720.

The previous prime is 1401202001. The next prime is 1401202031. The reversal of 1401202023 is 3202021041.

It is not a de Polignac number, because 1401202023 - 26 = 1401201959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401201993 and 1401202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401202043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380383 + ... + 384048.

It is an arithmetic number, because the mean of its divisors is an integer number (128424576).

Almost surely, 21401202023 is an apocalyptic number.

1401202023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1401202023 is a deficient number, since it is larger than the sum of its proper divisors (653591193).

1401202023 is a wasteful number, since it uses less digits than its factorization.

1401202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764494.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1401202023 is about 37432.6331293966. The cubic root of 1401202023 is about 1119.0090147426.

Adding to 1401202023 its reverse (3202021041), we get a palindrome (4603223064).

The spelling of 1401202023 in words is "one billion, four hundred one million, two hundred two thousand, twenty-three".

Divisors: 1 3 13 39 47 141 611 1833 764431 2293293 9937603 29812809 35928257 107784771 467067341 1401202023