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234120345 = 35172531019
BaseRepresentation
bin11011111010001…
…10010010011001
3121022112112201220
431331012102121
5434413322340
635122002253
75541663414
oct1575062231
9538475656
10234120345
11110178098
12664a6389
1339672864
1423144b7b
1515848ed0
hexdf46499

234120345 has 48 divisors (see below), whose sum is σ = 405829440. Its totient is φ = 115188736.

The previous prime is 234120331. The next prime is 234120347. The reversal of 234120345 is 543021432.

It is not a de Polignac number, because 234120345 - 24 = 234120329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234120347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229246 + ... + 230264.

It is an arithmetic number, because the mean of its divisors is an integer number (8454780).

Almost surely, 2234120345 is an apocalyptic number.

It is an amenable number.

234120345 is a deficient number, since it is larger than the sum of its proper divisors (171709095).

234120345 is a wasteful number, since it uses less digits than its factorization.

234120345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 234120345 is about 15300.9916345314. The cubic root of 234120345 is about 616.3296369535.

Adding to 234120345 its reverse (543021432), we get a palindrome (777141777).

The spelling of 234120345 in words is "two hundred thirty-four million, one hundred twenty thousand, three hundred forty-five".

Divisors: 1 3 5 15 17 51 53 85 159 255 265 289 795 867 901 1019 1445 2703 3057 4335 4505 5095 13515 15285 15317 17323 45951 51969 54007 76585 86615 162021 229755 259845 270035 294491 810105 883473 918119 1472455 2754357 4417365 4590595 13771785 15608023 46824069 78040115 234120345