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345024479 = 615656139
BaseRepresentation
bin10100100100001…
…010011111011111
3220001020001121102
4110210022133133
51201311240404
654123023315
711356442162
oct2444123737
9801201542
10345024479
11167836aa8
129766ab3b
13566335c7
1433b73ad9
152045471e
hex1490a7df

345024479 has 4 divisors (see below), whose sum is σ = 350680680. Its totient is φ = 339368280.

The previous prime is 345024461. The next prime is 345024497. The reversal of 345024479 is 974420543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974420543 = 7113724233.

It is an interprime number because it is at equal distance from previous prime (345024461) and next prime (345024497).

It is a cyclic number.

It is not a de Polignac number, because 345024479 - 212 = 345020383 is a prime.

It is a super-2 number, since 2×3450244792 = 238083782218442882, 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 (345024419) 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, 2828009 + ... + 2828130.

It is an arithmetic number, because the mean of its divisors is an integer number (87670170).

Almost surely, 2345024479 is an apocalyptic number.

345024479 is a deficient number, since it is larger than the sum of its proper divisors (5656201).

345024479 is an equidigital number, since it uses as much as digits as its factorization.

345024479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656200.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 345024479 is about 18574.8345618474. The cubic root of 345024479 is about 701.3744959192.

The spelling of 345024479 in words is "three hundred forty-five million, twenty-four thousand, four hundred seventy-nine".

Divisors: 1 61 5656139 345024479