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1492092381 = 313219714939
BaseRepresentation
bin101100011101111…
…1000010111011101
310211222122010221210
41120323320113131
511023433424011
6404020415033
751655401363
oct13073702735
93758563853
101492092381
116a627a0aa
12357847479
131aa183c00
14102245633
158aed66a6
hex58ef85dd

1492092381 has 24 divisors (see below), whose sum is σ = 2165343840. Its totient is φ = 913488576.

The previous prime is 1492092379. The next prime is 1492092419. The reversal of 1492092381 is 1832902941.

It is not a de Polignac number, because 1492092381 - 21 = 1492092379 is a prime.

It is a super-2 number, since 2×14920923812 = 4452679346876498322, which contains 22 as substring.

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 (1492092281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92410 + ... + 107348.

It is an arithmetic number, because the mean of its divisors is an integer number (90222660).

Almost surely, 21492092381 is an apocalyptic number.

It is an amenable number.

1492092381 is a deficient number, since it is larger than the sum of its proper divisors (673251459).

1492092381 is a wasteful number, since it uses less digits than its factorization.

1492092381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165 (or 15152 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1492092381 is about 38627.6116398620. The cubic root of 1492092381 is about 1142.6991497986.

The spelling of 1492092381 in words is "one billion, four hundred ninety-two million, ninety-two thousand, three hundred eighty-one".

Divisors: 1 3 13 39 169 197 507 591 2561 7683 14939 33293 44817 99879 194207 582621 2524691 2942983 7574073 8828949 38258779 114776337 497364127 1492092381