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230860420 = 22571649003
BaseRepresentation
bin11011100001010…
…10011010000100
3121002101220221221
431300222122010
5433100013140
634524050124
75502165310
oct1560523204
9532356857
10230860420
1110935093a
1265393944
1338aa0acb
1422936b40
151540314a
hexdc2a684

230860420 has 24 divisors (see below), whose sum is σ = 554065344. Its totient is φ = 79152096.

The previous prime is 230860411. The next prime is 230860429. The reversal of 230860420 is 24068032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230860411) and next prime (230860429).

It is not an unprimeable number, because it can be changed into a prime (230860429) 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, 824362 + ... + 824641.

It is an arithmetic number, because the mean of its divisors is an integer number (23086056).

Almost surely, 2230860420 is an apocalyptic number.

230860420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230860420 is an abundant number, since it is smaller than the sum of its proper divisors (323204924).

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

230860420 is a wasteful number, since it uses less digits than its factorization.

230860420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649019 (or 1649017 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 230860420 is about 15194.0916148350. The cubic root of 230860420 is about 613.4556355298.

The spelling of 230860420 in words is "two hundred thirty million, eight hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1649003 3298006 6596012 8245015 11543021 16490030 23086042 32980060 46172084 57715105 115430210 230860420