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230170420 = 22518716151
BaseRepresentation
bin11011011100000…
…01111100110100
3121001002212110101
431232001330310
5432410423140
634501203444
75463262534
oct1556017464
9531085411
10230170420
11108a1a497
1265100584
13388bba1c
14227d74c4
151531899a
hexdb81f34

230170420 has 24 divisors (see below), whose sum is σ = 483694848. Its totient is φ = 92004000.

The previous prime is 230170417. The next prime is 230170439. The reversal of 230170420 is 24071032.

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, 34345 + ... + 40495.

It is an arithmetic number, because the mean of its divisors is an integer number (20153952).

Almost surely, 2230170420 is an apocalyptic number.

230170420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230170420 is an abundant number, since it is smaller than the sum of its proper divisors (253524428).

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

230170420 is a wasteful number, since it uses less digits than its factorization.

230170420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031 (or 8029 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 230170420 is about 15171.3684287213. The cubic root of 230170420 is about 612.8438563474.

The spelling of 230170420 in words is "two hundred thirty million, one hundred seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1871 3742 6151 7484 9355 12302 18710 24604 30755 37420 61510 123020 11508521 23017042 46034084 57542605 115085210 230170420