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345030625 = 547432
BaseRepresentation
bin10100100100001…
…011111111100001
3220001020101001001
4110210023333201
51201311440000
654123112001
711356466122
oct2444137741
9801211031
10345030625
11167840685
1297672601
1356636344
1433b76049
152045646a
hex1490bfe1

345030625 has 15 divisors (see below), whose sum is σ = 431731333. Its totient is φ = 275653000.

The previous prime is 345030617. The next prime is 345030641. The reversal of 345030625 is 526030543.

The square root of 345030625 is 18575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 317980224 = 5201^2 + 17832^2 .

It is not a de Polignac number, because 345030625 - 23 = 345030617 is a prime.

It is a super-2 number, since 2×3450306252 = 238092264375781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345030593 and 345030602.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 464004 + ... + 464746.

Almost surely, 2345030625 is an apocalyptic number.

345030625 is the 18575-th square number.

345030625 is the 9288-th centered octagonal number.

It is an amenable number.

345030625 is a deficient number, since it is larger than the sum of its proper divisors (86700708).

345030625 is an frugal number, since it uses more digits than its factorization.

345030625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The cubic root of 345030625 is about 701.3786604760.

The spelling of 345030625 in words is "three hundred forty-five million, thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 743 3715 18575 92875 464375 552049 2760245 13801225 69006125 345030625