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230457470 = 25231001989
BaseRepresentation
bin11011011110010…
…00000001111110
3121001122110012212
431233020001332
5432444114340
634511300422
75465566445
oct1557100176
9531573185
10230457470
111090a6121
126521a712
133898c589
142286dd5c
1515373a65
hexdbc807e

230457470 has 16 divisors (see below), whose sum is σ = 432859680. Its totient is φ = 88174944.

The previous prime is 230457467. The next prime is 230457509. The reversal of 230457470 is 74754032.

It is a super-2 number, since 2×2304574702 = 106221290957601800, which contains 22 as substring.

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, 500765 + ... + 501224.

It is an arithmetic number, because the mean of its divisors is an integer number (27053730).

Almost surely, 2230457470 is an apocalyptic number.

230457470 is a deficient number, since it is larger than the sum of its proper divisors (202402210).

230457470 is a wasteful number, since it uses less digits than its factorization.

230457470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002019.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 230457470 is about 15180.8257351173. The cubic root of 230457470 is about 613.0985136717.

The spelling of 230457470 in words is "two hundred thirty million, four hundred fifty-seven thousand, four hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 1001989 2003978 5009945 10019890 23045747 46091494 115228735 230457470