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234200839 = 292278479
BaseRepresentation
bin11011111010110…
…01111100000111
3121022200122011011
431331121330013
5434423411324
635123423051
75542450165
oct1575317407
9538618134
10234200839
11110222614
1266524a87
13396a03a2
1423166235
1515862c94
hexdf59f07

234200839 has 6 divisors (see below), whose sum is σ = 242556080. Its totient is φ = 226124136.

The previous prime is 234200809. The next prime is 234200843. The reversal of 234200839 is 938002432.

It is a de Polignac number, because none of the positive numbers 2k-234200839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234200839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234200809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138399 + ... + 140080.

Almost surely, 2234200839 is an apocalyptic number.

234200839 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

234200839 is a deficient number, since it is larger than the sum of its proper divisors (8355241).

234200839 is an equidigital number, since it uses as much as digits as its factorization.

234200839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278537 (or 278508 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 234200839 is about 15303.6217608774. The cubic root of 234200839 is about 616.4002632423.

The spelling of 234200839 in words is "two hundred thirty-four million, two hundred thousand, eight hundred thirty-nine".

Divisors: 1 29 841 278479 8075891 234200839