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230152247 = 1337619773
BaseRepresentation
bin11011011011111…
…01100000110111
3121001001221112022
431231331200313
5432404332442
634500543355
75463155543
oct1555754067
9531057468
10230152247
11108a07876
12650b1b5b
13388b3680
14227d0a23
15153133d2
hexdb7d837

230152247 has 16 divisors (see below), whose sum is σ = 255296160. Its totient is φ = 206105472.

The previous prime is 230152217. The next prime is 230152249. The reversal of 230152247 is 742251032.

It is a cyclic number.

It is not a de Polignac number, because 230152247 - 214 = 230135863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230152249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297353 + ... + 298125.

It is an arithmetic number, because the mean of its divisors is an integer number (15956010).

Almost surely, 2230152247 is an apocalyptic number.

230152247 is a deficient number, since it is larger than the sum of its proper divisors (25143913).

230152247 is a wasteful number, since it uses less digits than its factorization.

230152247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 230152247 is about 15170.7694926790. The cubic root of 230152247 is about 612.8277269877.

The spelling of 230152247 in words is "two hundred thirty million, one hundred fifty-two thousand, two hundred forty-seven".

Divisors: 1 13 37 481 619 773 8047 10049 22903 28601 297739 371813 478487 6220331 17704019 230152247