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234426437 = 74163599
BaseRepresentation
bin11011111100100…
…01000001000101
3121100010002121122
431332101001011
5440003121222
635132323325
75544410000
oct1576210105
9540102548
10234426437
11110367063
1266613545
133974bc8b
14231c4537
15158a9a42
hexdf91045

234426437 has 20 divisors (see below), whose sum is σ = 275618400. Its totient is φ = 199370808.

The previous prime is 234426431. The next prime is 234426457. The reversal of 234426437 is 734624432.

It is not a de Polignac number, because 234426437 - 24 = 234426421 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 234426397 and 234426406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234426431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 391064 + ... + 391662.

It is an arithmetic number, because the mean of its divisors is an integer number (13780920).

Almost surely, 2234426437 is an apocalyptic number.

It is an amenable number.

234426437 is a deficient number, since it is larger than the sum of its proper divisors (41191963).

234426437 is an frugal number, since it uses more digits than its factorization.

234426437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 769 counting only the distinct ones).

The product of its digits is 96768, while the sum is 35.

The square root of 234426437 is about 15310.9907256193. The cubic root of 234426437 is about 616.5981191236.

The spelling of 234426437 in words is "two hundred thirty-four million, four hundred twenty-six thousand, four hundred thirty-seven".

Divisors: 1 7 49 163 343 599 1141 2401 4193 7987 29351 55909 97637 205457 391363 683459 1438199 4784213 33489491 234426437