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234072342 = 2347206413
BaseRepresentation
bin11011111001110…
…10100100010110
3121022110002220000
431330322210112
5434410303332
635120552130
75541403440
oct1574724426
9538402800
10234072342
11110145019
1266482646
1339656a5a
1423131490
1515839b7c
hexdf3a916

234072342 has 40 divisors (see below), whose sum is σ = 599426256. Its totient is φ = 66877488.

The previous prime is 234072313. The next prime is 234072347. The reversal of 234072342 is 243270432.

234072342 is a `hidden beast` number, since 23 + 407 + 234 + 2 = 666.

It is a super-2 number, since 2×2340723422 = 109579722578729928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234072347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102073 + ... + 104340.

Almost surely, 2234072342 is an apocalyptic number.

234072342 is an abundant number, since it is smaller than the sum of its proper divisors (365353914).

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

234072342 is a wasteful number, since it uses less digits than its factorization.

234072342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206434 (or 206425 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 234072342 is about 15299.4229302938. The cubic root of 234072342 is about 616.2875109067.

The spelling of 234072342 in words is "two hundred thirty-four million, seventy-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 206413 412826 619239 1238478 1444891 1857717 2889782 3715434 4334673 5573151 8669346 11146302 13004019 16719453 26008038 33438906 39012057 78024114 117036171 234072342