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1146881073 = 31329407207
BaseRepresentation
bin100010001011100…
…0000010000110001
32221221001121001210
41010113000100301
54322100143243
6305445350333
740264220412
oct10427002061
92857047053
101146881073
115394257a8
122801083a9
131537b6570
14ac463809
156aa46933
hex445c0431

1146881073 has 8 divisors (see below), whose sum is σ = 1646803648. Its totient is φ = 705772944.

The previous prime is 1146881041. The next prime is 1146881101. The reversal of 1146881073 is 3701886411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1146881073 - 25 = 1146881041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 29407207 = 1146881073 / (1 + 1 + 4 + 6 + 8 + 8 + 1 + 0 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146881003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14703565 + ... + 14703642.

It is an arithmetic number, because the mean of its divisors is an integer number (205850456).

Almost surely, 21146881073 is an apocalyptic number.

1146881073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1146881073 is a deficient number, since it is larger than the sum of its proper divisors (499922575).

1146881073 is a wasteful number, since it uses less digits than its factorization.

1146881073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29407223.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1146881073 is about 33865.6326236496. The cubic root of 1146881073 is about 1046.7415456976.

The spelling of 1146881073 in words is "one billion, one hundred forty-six million, eight hundred eighty-one thousand, seventy-three".

Divisors: 1 3 13 39 29407207 88221621 382293691 1146881073