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234221130 = 2325111318199
BaseRepresentation
bin11011111010111…
…10111001001010
3121022201122222200
431331132321022
5434430034010
635124101030
75542563303
oct1575367112
9538648880
10234221130
11110236890
1266534776
13396a96b0
142316d7aa
1515868cc0
hexdf5ee4a

234221130 has 96 divisors (see below), whose sum is σ = 715478400. Its totient is φ = 52410240.

The previous prime is 234221123. The next prime is 234221159. The reversal of 234221130 is 31122432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3771 + ... + 21969.

It is an arithmetic number, because the mean of its divisors is an integer number (7452900).

Almost surely, 2234221130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357739200).

234221130 is an abundant number, since it is smaller than the sum of its proper divisors (481257270).

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

234221130 is a wasteful number, since it uses less digits than its factorization.

234221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236 (or 18233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 234221130 is about 15304.2846941633. The cubic root of 234221130 is about 616.4180642268.

Adding to 234221130 its reverse (31122432), we get a palindrome (265343562).

The spelling of 234221130 in words is "two hundred thirty-four million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 13 15 18 22 26 30 33 39 45 55 65 66 78 90 99 110 117 130 143 165 195 198 234 286 330 390 429 495 585 715 858 990 1170 1287 1430 2145 2574 4290 6435 12870 18199 36398 54597 90995 109194 163791 181990 200189 236587 272985 327582 400378 473174 545970 600567 709761 818955 1000945 1182935 1201134 1419522 1637910 1801701 2001890 2129283 2365870 2602457 3002835 3548805 3603402 4258566 5204914 6005670 7097610 7807371 9008505 10646415 13012285 15614742 18017010 21292830 23422113 26024570 39036855 46844226 78073710 117110565 234221130