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76281073 = 1122973019
BaseRepresentation
bin1001000101111…
…11010011110001
312022112110221221
410202333103301
5124011443243
611322545041
71614243541
oct442772361
9168473857
1076281073
113a071110
1221668181
1312a5a73b
14a1b9321
156a6bbed
hex48bf4f1

76281073 has 8 divisors (see below), whose sum is σ = 83279520. Its totient is φ = 69293280.

The previous prime is 76281061. The next prime is 76281077. The reversal of 76281073 is 37018267.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76281073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76281077) 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, 23758 + ... + 26776.

It is an arithmetic number, because the mean of its divisors is an integer number (10409940).

Almost surely, 276281073 is an apocalyptic number.

It is an amenable number.

76281073 is a deficient number, since it is larger than the sum of its proper divisors (6998447).

76281073 is a wasteful number, since it uses less digits than its factorization.

76281073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 76281073 is about 8733.9036518615. The cubic root of 76281073 is about 424.1038983102.

The spelling of 76281073 in words is "seventy-six million, two hundred eighty-one thousand, seventy-three".

Divisors: 1 11 2297 3019 25267 33209 6934643 76281073