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234021330 = 23253597243
BaseRepresentation
bin11011111001011…
…10000111010010
3121022100111220200
431330232013102
5434402140310
635115520030
75541101634
oct1574560722
9538314820
10234021330
1111010a764
1266459016
133963977a
142311aa54
15158299c0
hexdf2e1d2

234021330 has 48 divisors (see below), whose sum is σ = 610234560. Its totient is φ = 62223264.

The previous prime is 234021323. The next prime is 234021353. The reversal of 234021330 is 33120432.

234021330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 28689 + ... + 35931.

It is an arithmetic number, because the mean of its divisors is an integer number (12713220).

Almost surely, 2234021330 is an apocalyptic number.

234021330 is an abundant number, since it is smaller than the sum of its proper divisors (376213230).

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

234021330 is a wasteful number, since it uses less digits than its factorization.

234021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7612 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 234021330 is about 15297.7557177515. The cubic root of 234021330 is about 616.2427379357.

Adding to 234021330 its reverse (33120432), we get a palindrome (267141762).

The spelling of 234021330 in words is "two hundred thirty-four million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 359 718 1077 1795 2154 3231 3590 5385 6462 7243 10770 14486 16155 21729 32310 36215 43458 65187 72430 108645 130374 217290 325935 651870 2600237 5200474 7800711 13001185 15601422 23402133 26002370 39003555 46804266 78007110 117010665 234021330