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69730324225 = 52528132
BaseRepresentation
bin100000011110001000…
…0000100111100000001
320122222121220111020221
41000330100010330001
52120301430333400
652011134503041
75015660655622
oct1007420047401
9218877814227
1069730324225
1127632a4a731
1211620664a81
1367636062a3
143536c97a49
151c31ae1c1a
hex103c404f01

69730324225 has 9 divisors (see below), whose sum is σ = 86467239273. Its totient is φ = 55783203120.

The previous prime is 69730324219. The next prime is 69730324247. The reversal of 69730324225 is 52242303796.

The square root of 69730324225 is 264065.

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

69730324225 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 44214734529 + 25515589696 = 210273^2 + 159736^2 .

It is not a de Polignac number, because 69730324225 - 29 = 69730323713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1293919 + ... + 1346731.

Almost surely, 269730324225 is an apocalyptic number.

69730324225 is the 264065-th square number.

69730324225 is the 132033-rd centered octagonal number.

It is an amenable number.

69730324225 is a deficient number, since it is larger than the sum of its proper divisors (16736915048).

69730324225 is an frugal number, since it uses more digits than its factorization.

69730324225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105636 (or 52818 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 69730324225 in words is "sixty-nine billion, seven hundred thirty million, three hundred twenty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 52813 264065 1320325 2789212969 13946064845 69730324225