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230307584 = 281369203
BaseRepresentation
bin11011011101000…
…11011100000000
3121001100211121112
431232203130000
5432424320314
634504142452
75464403453
oct1556433400
9531324545
10230307584
11109003551
1265167a28
13389392a0
142283149a
151534443e
hexdba3700

230307584 has 36 divisors (see below), whose sum is σ = 495085416. Its totient is φ = 106294272.

The previous prime is 230307557. The next prime is 230307601. The reversal of 230307584 is 485703032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 230307584.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31274 + ... + 37929.

Almost surely, 2230307584 is an apocalyptic number.

It is an amenable number.

230307584 is an abundant number, since it is smaller than the sum of its proper divisors (264777832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230307584 is an equidigital number, since it uses as much as digits as its factorization.

230307584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69232 (or 69218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 230307584 is about 15175.8882441852. Note that the first 3 decimals coincide. The cubic root of 230307584 is about 612.9655682257.

The spelling of 230307584 in words is "two hundred thirty million, three hundred seven thousand, five hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 69203 138406 276812 553624 899639 1107248 1799278 2214496 3598556 4428992 7197112 8857984 14394224 17715968 28788448 57576896 115153792 230307584