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234011240 = 23514893929
BaseRepresentation
bin11011111001010…
…11101001101000
3121022100000001222
431330223221220
5434401324430
635115401212
75541030341
oct1574535150
9538300058
10234011240
11110103121
1266453208
1339634cb8
14231170c8
15158269e5
hexdf2ba68

234011240 has 32 divisors (see below), whose sum is σ = 527013000. Its totient is φ = 93517824.

The previous prime is 234011233. The next prime is 234011249. The reversal of 234011240 is 42110432.

It can be written as a sum of positive squares in 4 ways, for example, as 109956196 + 124055044 = 10486^2 + 11138^2 .

It is a super-2 number, since 2×2340112402 = 109522520892675200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234011249) 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, 57596 + ... + 61524.

Almost surely, 2234011240 is an apocalyptic number.

234011240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234011240 is an abundant number, since it is smaller than the sum of its proper divisors (293001760).

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

234011240 is a wasteful number, since it uses less digits than its factorization.

234011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 234011240 is about 15297.4259272598. The cubic root of 234011240 is about 616.2338812237.

Adding to 234011240 its reverse (42110432), we get a palindrome (276121672).

The spelling of 234011240 in words is "two hundred thirty-four million, eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1489 2978 3929 5956 7445 7858 11912 14890 15716 19645 29780 31432 39290 59560 78580 157160 5850281 11700562 23401124 29251405 46802248 58502810 117005620 234011240