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380134751 = 675673653
BaseRepresentation
bin10110101010000…
…110010101011111
3222111021211211212
4112222012111133
51234303303001
6101415335035
712264043403
oct2652062537
9874254755
10380134751
11185637957
12a738147b
13609a7609
14386b3103
152358c7bb
hex16a8655f

380134751 has 4 divisors (see below), whose sum is σ = 385808472. Its totient is φ = 374461032.

The previous prime is 380134721. The next prime is 380134759. The reversal of 380134751 is 157431083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157431083 = 227693529.

It is a cyclic number.

It is not a de Polignac number, because 380134751 - 214 = 380118367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380134759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836760 + ... + 2836893.

It is an arithmetic number, because the mean of its divisors is an integer number (96452118).

Almost surely, 2380134751 is an apocalyptic number.

380134751 is a deficient number, since it is larger than the sum of its proper divisors (5673721).

380134751 is an equidigital number, since it uses as much as digits as its factorization.

380134751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673720.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 380134751 is about 19497.0446734883. The cubic root of 380134751 is about 724.4012502414.

The spelling of 380134751 in words is "three hundred eighty million, one hundred thirty-four thousand, seven hundred fifty-one".

Divisors: 1 67 5673653 380134751