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230219470 = 25131770919
BaseRepresentation
bin11011011100011…
…01111011001110
3121001012100202001
431232031323032
5432414010340
634502222514
75463555535
oct1556157316
9531170661
10230219470
11108a53328
1265124a3a
1338908150
142280b31c
151532829a
hexdb8dece

230219470 has 16 divisors (see below), whose sum is σ = 446271840. Its totient is φ = 85004064.

The previous prime is 230219461. The next prime is 230219477. The reversal of 230219470 is 74912032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230219477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885330 + ... + 885589.

It is an arithmetic number, because the mean of its divisors is an integer number (27891990).

Almost surely, 2230219470 is an apocalyptic number.

230219470 is a deficient number, since it is larger than the sum of its proper divisors (216052370).

230219470 is a wasteful number, since it uses less digits than its factorization.

230219470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770939.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 230219470 is about 15172.9848744405. The cubic root of 230219470 is about 612.8873862040.

The spelling of 230219470 in words is "two hundred thirty million, two hundred nineteen thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 1770919 3541838 8854595 17709190 23021947 46043894 115109735 230219470