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345820577 = 1943423281
BaseRepresentation
bin10100100111001…
…100110110100001
3220002201111122112
4110213030312201
51202012224302
654152045105
711366266154
oct2447146641
9802644575
10345820577
11168230133
1297993795
1356851a7b
1433cddc9b
1520560552
hex149ccda1

345820577 has 8 divisors (see below), whose sum is σ = 372488160. Its totient is φ = 319999680.

The previous prime is 345820549. The next prime is 345820649. The reversal of 345820577 is 775028543.

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

It is a cyclic number.

It is not a de Polignac number, because 345820577 - 26 = 345820513 is a prime.

It is a super-2 number, since 2×3458205772 = 239183742953225858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345829577) 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, 210824 + ... + 212457.

It is an arithmetic number, because the mean of its divisors is an integer number (46561020).

Almost surely, 2345820577 is an apocalyptic number.

It is an amenable number.

345820577 is a deficient number, since it is larger than the sum of its proper divisors (26667583).

345820577 is a wasteful number, since it uses less digits than its factorization.

345820577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423343.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 345820577 is about 18596.2516922094. The cubic root of 345820577 is about 701.9135242760.

The spelling of 345820577 in words is "three hundred forty-five million, eight hundred twenty thousand, five hundred seventy-seven".

Divisors: 1 19 43 817 423281 8042339 18201083 345820577