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270234138 = 2345039023
BaseRepresentation
bin10000000110110…
…111001000011010
3200211111022112210
4100012313020122
51023134443023
642452015550
76460644426
oct2006671032
9624438483
10270234138
111295a39a9
12766015b6
1343ca8575
1427c65b86
1518ace593
hex101b721a

270234138 has 8 divisors (see below), whose sum is σ = 540468288. Its totient is φ = 90078044.

The previous prime is 270234137. The next prime is 270234149. The reversal of 270234138 is 831432072.

It is a sphenic number, since it is the product of 3 distinct primes.

270234138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (270234137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22519506 + ... + 22519517.

It is an arithmetic number, because the mean of its divisors is an integer number (67558536).

Almost surely, 2270234138 is an apocalyptic number.

270234138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

270234138 is a wasteful number, since it uses less digits than its factorization.

270234138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45039028.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 270234138 is about 16438.7997737061. The cubic root of 270234138 is about 646.5171808200.

The spelling of 270234138 in words is "two hundred seventy million, two hundred thirty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 45039023 90078046 135117069 270234138