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345472579 = 515367043
BaseRepresentation
bin10100100101110…
…111111001000011
3220002001211021201
4110211313321003
51201420110304
654140402031
711363316454
oct2445677103
9802054251
10345472579
11168012731
1297846317
135675c55a
1433c4d12b
15204e23a4
hex14977e43

345472579 has 4 divisors (see below), whose sum is σ = 345544776. Its totient is φ = 345400384.

The previous prime is 345472577. The next prime is 345472583. The reversal of 345472579 is 975274543.

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 345472579 - 21 = 345472577 is a prime.

It is a super-2 number, since 2×3454725792 = 238702605681822482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345472571) 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, 28369 + ... + 38674.

It is an arithmetic number, because the mean of its divisors is an integer number (86386194).

Almost surely, 2345472579 is an apocalyptic number.

345472579 is a deficient number, since it is larger than the sum of its proper divisors (72197).

345472579 is an equidigital number, since it uses as much as digits as its factorization.

345472579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72196.

The product of its digits is 1058400, while the sum is 46.

The square root of 345472579 is about 18586.8926666078. The cubic root of 345472579 is about 701.6780009065.

The spelling of 345472579 in words is "three hundred forty-five million, four hundred seventy-two thousand, five hundred seventy-nine".

Divisors: 1 5153 67043 345472579