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1538076423 = 31340019857
BaseRepresentation
bin101101110101101…
…0010111100000111
310222012011101012110
41123223102330013
511122221421143
6412342152103
753054301552
oct13353227407
93865141173
101538076423
1171a227644
1236b122633
131b68643c0
141083b5699
159006b533
hex5bad2f07

1538076423 has 16 divisors (see below), whose sum is σ = 2209296096. Its totient is φ = 946176000.

The previous prime is 1538076413. The next prime is 1538076427. The reversal of 1538076423 is 3246708351.

It is not a de Polignac number, because 1538076423 - 28 = 1538076167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538076427) 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, 151111 + ... + 160967.

It is an arithmetic number, because the mean of its divisors is an integer number (138081006).

Almost surely, 21538076423 is an apocalyptic number.

1538076423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1538076423 is a deficient number, since it is larger than the sum of its proper divisors (671219673).

1538076423 is a wasteful number, since it uses less digits than its factorization.

1538076423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13874.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1538076423 is about 39218.3174422361. The cubic root of 1538076423 is about 1154.3193388385.

The spelling of 1538076423 in words is "one billion, five hundred thirty-eight million, seventy-six thousand, four hundred twenty-three".

Divisors: 1 3 13 39 4001 9857 12003 29571 52013 128141 156039 384423 39437857 118313571 512692141 1538076423