Search a number
-
+
346890625 = 561492
BaseRepresentation
bin10100101011010…
…010000110000001
3220011201212110221
4110223102012001
51202301000000
654231023041
711411343634
oct2453220601
9804655427
10346890625
111688a1074
129820aa81
1356b37b33
14340dbc1b
15206c261a
hex14ad2181

346890625 has 21 divisors (see below), whose sum is σ = 436537381. Its totient is φ = 275650000.

The previous prime is 346890601. The next prime is 346890679. The reversal of 346890625 is 526098643.

The square root of 346890625 is 18625.

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

It can be written as a sum of positive squares in 10 ways, for example, as 147064129 + 199826496 = 12127^2 + 14136^2 .

It is not a de Polignac number, because 346890625 - 225 = 313336193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2328051 + ... + 2328199.

Almost surely, 2346890625 is an apocalyptic number.

346890625 is the 18625-th square number.

346890625 is the 9313-rd centered octagonal number.

It is an amenable number.

346890625 is a deficient number, since it is larger than the sum of its proper divisors (89646756).

346890625 is an frugal number, since it uses more digits than its factorization.

346890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The cubic root of 346890625 is about 702.6367392120.

The spelling of 346890625 in words is "three hundred forty-six million, eight hundred ninety thousand, six hundred twenty-five".

Divisors: 1 5 25 125 149 625 745 3125 3725 15625 18625 22201 93125 111005 465625 555025 2328125 2775125 13875625 69378125 346890625