Search a number
-
+
345230525 = 5242132801
BaseRepresentation
bin10100100100111…
…100110010111101
3220001121112020202
4110210330302331
51201334334100
654131253245
711361260663
oct2444746275
9801545222
10345230525
11167967892
129774a225
13566a6323
1433bc8c33
15204957d5
hex1493ccbd

345230525 has 12 divisors (see below), whose sum is σ = 429115764. Its totient is φ = 275520000.

The previous prime is 345230507. The next prime is 345230527. The reversal of 345230525 is 525032543.

It can be written as a sum of positive squares in 6 ways, for example, as 140683321 + 204547204 = 11861^2 + 14302^2 .

It is not a de Polignac number, because 345230525 - 210 = 345229501 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345230527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5876 + ... + 26925.

It is an arithmetic number, because the mean of its divisors is an integer number (35759647).

Almost surely, 2345230525 is an apocalyptic number.

It is an amenable number.

345230525 is a deficient number, since it is larger than the sum of its proper divisors (83885239).

345230525 is a wasteful number, since it uses less digits than its factorization.

345230525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33232 (or 33227 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 345230525 is about 18580.3801091366. The cubic root of 345230525 is about 701.5140866438.

The spelling of 345230525 in words is "three hundred forty-five million, two hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 421 2105 10525 32801 164005 820025 13809221 69046105 345230525