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230106404 = 221137281503
BaseRepresentation
bin11011011011100…
…10010100100100
3121000222121122102
431231302110210
5432401401104
634455551232
75462605103
oct1555622444
9530877572
10230106404
11108986390
126508b518
1338898848
14227bc03a
1515304a1e
hexdb72524

230106404 has 48 divisors (see below), whose sum is σ = 453672576. Its totient is φ = 101203200.

The previous prime is 230106403. The next prime is 230106413. The reversal of 230106404 is 404601032.

It is a happy number.

230106404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2301064042 = 105897914323622432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230106403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457217 + ... + 457719.

It is an arithmetic number, because the mean of its divisors is an integer number (9451512).

Almost surely, 2230106404 is an apocalyptic number.

It is an amenable number.

230106404 is a deficient number, since it is larger than the sum of its proper divisors (223566172).

230106404 is a wasteful number, since it uses less digits than its factorization.

230106404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 230106404 is about 15169.2585184642. The cubic root of 230106404 is about 612.7870354782.

Adding to 230106404 its reverse (404601032), we get a palindrome (634707436).

The spelling of 230106404 in words is "two hundred thirty million, one hundred six thousand, four hundred four".

Divisors: 1 2 4 11 22 37 44 74 148 281 407 503 562 814 1006 1124 1628 2012 3091 5533 6182 10397 11066 12364 18611 20794 22132 37222 41588 74444 114367 141343 204721 228734 282686 409442 457468 565372 818884 1554773 3109546 5229691 6219092 10459382 20918764 57526601 115053202 230106404