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97700245 = 579724517
BaseRepresentation
bin1011101001011…
…00100110010101
320210211200112121
411310230212111
5200002401440
613410015541
72264303236
oct564544625
9223750477
1097700245
1150170705
12288775b1
1317319ac6
14cd9308d
15889d34a
hex5d2c995

97700245 has 8 divisors (see below), whose sum is σ = 117392184. Its totient is φ = 78058944.

The previous prime is 97700233. The next prime is 97700269. The reversal of 97700245 is 54200779.

It can be written as a sum of positive squares in 4 ways, for example, as 2579236 + 95121009 = 1606^2 + 9753^2 .

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 97700245 - 27 = 97700117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97700245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8274 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (14674023).

Almost surely, 297700245 is an apocalyptic number.

It is an amenable number.

97700245 is a deficient number, since it is larger than the sum of its proper divisors (19691939).

97700245 is a wasteful number, since it uses less digits than its factorization.

97700245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25319.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 97700245 is about 9884.3434278661. The cubic root of 97700245 is about 460.5730806399.

The spelling of 97700245 in words is "ninety-seven million, seven hundred thousand, two hundred forty-five".

Divisors: 1 5 797 3985 24517 122585 19540049 97700245