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2390134319 = 4158295959
BaseRepresentation
bin1000111001110110…
…1000111000101111
320011120110101220022
42032131220320233
514343333244234
61033100512355
7113141543426
oct21635507057
96146411808
102390134319
111017194321
1256854b6bb
132c1243281
141896122bd
15dec77e2e
hex8e768e2f

2390134319 has 4 divisors (see below), whose sum is σ = 2448430320. Its totient is φ = 2331838320.

The previous prime is 2390134277. The next prime is 2390134333. The reversal of 2390134319 is 9134310932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2390134319 - 28 = 2390134063 is a prime.

It is a super-2 number, since 2×23901343192 = 11425484125723187522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390134339) 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, 29147939 + ... + 29148020.

It is an arithmetic number, because the mean of its divisors is an integer number (612107580).

Almost surely, 22390134319 is an apocalyptic number.

2390134319 is a deficient number, since it is larger than the sum of its proper divisors (58296001).

2390134319 is an equidigital number, since it uses as much as digits as its factorization.

2390134319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58296000.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2390134319 is about 48888.9999795455. Note that the first 4 decimals coincide. The cubic root of 2390134319 is about 1337.0288217626.

The spelling of 2390134319 in words is "two billion, three hundred ninety million, one hundred thirty-four thousand, three hundred nineteen".

Divisors: 1 41 58295959 2390134319