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234051993 = 3273715111
BaseRepresentation
bin11011111001101…
…01100110011001
3121022102001222100
431330311212121
5434404130433
635120314013
75541260220
oct1574654631
9538361870
10234051993
111101307aa
1266472909
133964a706
1423127cb7
1515833b13
hexdf35999

234051993 has 12 divisors (see below), whose sum is σ = 386371648. Its totient is φ = 133743960.

The previous prime is 234051991. The next prime is 234052009. The reversal of 234051993 is 399150432.

It is a happy number.

It is not a de Polignac number, because 234051993 - 21 = 234051991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234051991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857493 + ... + 1857618.

Almost surely, 2234051993 is an apocalyptic number.

It is an amenable number.

234051993 is a deficient number, since it is larger than the sum of its proper divisors (152319655).

234051993 is a wasteful number, since it uses less digits than its factorization.

234051993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715124 (or 3715121 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 234051993 is about 15298.7578907570. The cubic root of 234051993 is about 616.2696514737.

The spelling of 234051993 in words is "two hundred thirty-four million, fifty-one thousand, nine hundred ninety-three".

Divisors: 1 3 7 9 21 63 3715111 11145333 26005777 33435999 78017331 234051993