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234330320 = 2457418447
BaseRepresentation
bin11011111011110…
…01100011010000
3121022221012202202
431331321203100
5434442032240
635130302332
75543526530
oct1575714320
9538835682
10234330320
11110300924
12665879a8
13397172c3
142319b4c0
151588b315
hexdf798d0

234330320 has 40 divisors (see below), whose sum is σ = 622650624. Its totient is φ = 80341632.

The previous prime is 234330307. The next prime is 234330323. The reversal of 234330320 is 23033432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234330292 and 234330301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234330323) 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, 208664 + ... + 209783.

Almost surely, 2234330320 is an apocalyptic number.

234330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234330320 is an abundant number, since it is smaller than the sum of its proper divisors (388320304).

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

234330320 is a wasteful number, since it uses less digits than its factorization.

234330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418467 (or 418461 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 234330320 is about 15307.8515801532. The cubic root of 234330320 is about 616.5138372997.

Adding to 234330320 its reverse (23033432), we get a palindrome (257363752).

The spelling of 234330320 in words is "two hundred thirty-four million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 418447 836894 1673788 2092235 2929129 3347576 4184470 5858258 6695152 8368940 11716516 14645645 16737880 23433032 29291290 33475760 46866064 58582580 117165160 234330320