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230807245 = 5314136319
BaseRepresentation
bin11011100000111…
…01011011001101
3121002022020000111
431300131123031
5433041312440
634523000021
75501554264
oct1560353315
9532266014
10230807245
11109314999
1265369011
1338a82846
14229215db
15153e24ea
hexdc1d6cd

230807245 has 16 divisors (see below), whose sum is σ = 292884480. Its totient is φ = 174326400.

The previous prime is 230807219. The next prime is 230807251. The reversal of 230807245 is 542708032.

It is not a de Polignac number, because 230807245 - 29 = 230806733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11805 + ... + 24514.

It is an arithmetic number, because the mean of its divisors is an integer number (18305280).

Almost surely, 2230807245 is an apocalyptic number.

It is an amenable number.

230807245 is a deficient number, since it is larger than the sum of its proper divisors (62077235).

230807245 is a wasteful number, since it uses less digits than its factorization.

230807245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36396.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 230807245 is about 15192.3416562425. The cubic root of 230807245 is about 613.4085320198.

The spelling of 230807245 in words is "two hundred thirty million, eight hundred seven thousand, two hundred forty-five".

Divisors: 1 5 31 41 155 205 1271 6355 36319 181595 1125889 1489079 5629445 7445395 46161449 230807245