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234210132 = 2232131932593
BaseRepresentation
bin11011111010111…
…00001101010100
3121022201002220100
431331130031110
5434424211012
635123534100
75542516242
oct1575341524
9538632810
10234210132
111102295a2
126652a330
13396a46a0
1423169792
15158658dc
hexdf5c354

234210132 has 72 divisors (see below), whose sum is σ = 641122664. Its totient is φ = 71663616.

The previous prime is 234210107. The next prime is 234210143. The reversal of 234210132 is 231012432.

It can be written as a sum of positive squares in 4 ways, for example, as 3048516 + 231161616 = 1746^2 + 15204^2 .

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

It is a congruent number.

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, 89028 + ... + 91620.

Almost surely, 2234210132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234210132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320561332).

234210132 is an abundant number, since it is smaller than the sum of its proper divisors (406912532).

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

234210132 is a wasteful number, since it uses less digits than its factorization.

234210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2804 counting only the distinct ones).

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

The square root of 234210132 is about 15303.9253788040. The cubic root of 234210132 is about 616.4084159769.

Adding to 234210132 its reverse (231012432), we get a palindrome (465222564).

The spelling of 234210132 in words is "two hundred thirty-four million, two hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 193 234 386 468 579 772 1158 1737 2316 2509 2593 3474 5018 5186 6948 7527 7779 10036 10372 15054 15558 22581 23337 30108 31116 33709 45162 46674 67418 90324 93348 101127 134836 202254 303381 404508 500449 606762 1000898 1213524 1501347 2001796 3002694 4504041 6005388 6505837 9008082 13011674 18016164 19517511 26023348 39035022 58552533 78070044 117105066 234210132