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1076142387 = 31965928649
BaseRepresentation
bin100000000100100…
…1010000100110011
32202222221200211110
41000021022010303
54200443024022
6254441244403
735445026235
oct10011120463
92688850743
101076142387
115024aa781
12260493703
13141c49758
14a2ccc255
156472200c
hex4024a133

1076142387 has 16 divisors (see below), whose sum is σ = 1512720000. Its totient is φ = 678613824.

The previous prime is 1076142383. The next prime is 1076142391. The reversal of 1076142387 is 7832416701.

It is an interprime number because it is at equal distance from previous prime (1076142383) and next prime (1076142391).

It is not a de Polignac number, because 1076142387 - 22 = 1076142383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1076142383) 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, 23239 + ... + 51887.

It is an arithmetic number, because the mean of its divisors is an integer number (94545000).

Almost surely, 21076142387 is an apocalyptic number.

1076142387 is a deficient number, since it is larger than the sum of its proper divisors (436577613).

1076142387 is a wasteful number, since it uses less digits than its factorization.

1076142387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29330.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1076142387 is about 32804.6092340695. The cubic root of 1076142387 is about 1024.7625504304.

The spelling of 1076142387 in words is "one billion, seventy-six million, one hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 3 19 57 659 1977 12521 28649 37563 85947 544331 1632993 18879691 56639073 358714129 1076142387