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1427159492 = 2211101321143
BaseRepresentation
bin101010100010000…
…1011100111000100
310200110110012202222
41111010023213010
510410323100432
6353340551512
750236440563
oct12504134704
93613405688
101427159492
1167265a060
12339b52598
1319989a895
14d7781bda
158545c112
hex5510b9c4

1427159492 has 24 divisors (see below), whose sum is σ = 2751561792. Its totient is φ = 642284000.

The previous prime is 1427159491. The next prime is 1427159507. The reversal of 1427159492 is 2949517241.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1427159491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156128 + ... + 165015.

It is an arithmetic number, because the mean of its divisors is an integer number (114648408).

Almost surely, 21427159492 is an apocalyptic number.

It is an amenable number.

1427159492 is a deficient number, since it is larger than the sum of its proper divisors (1324402300).

1427159492 is a wasteful number, since it uses less digits than its factorization.

1427159492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321259 (or 321257 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1427159492 is about 37777.7645182983. The cubic root of 1427159492 is about 1125.8767136686.

The spelling of 1427159492 in words is "one billion, four hundred twenty-seven million, one hundred fifty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 321143 642286 1284572 3532573 7065146 14130292 32435443 64870886 129741772 356789873 713579746 1427159492