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234671389 = 1038532671
BaseRepresentation
bin11011111110011…
…00110100011101
3121100120112121221
431333030310131
5440033441024
635141453341
75546450101
oct1577146435
9540515557
10234671389
111105140a7
1266711251
1339806614
1423249901
15159073e4
hexdfccd1d

234671389 has 8 divisors (see below), whose sum is σ = 237316352. Its totient is φ = 232033680.

The previous prime is 234671363. The next prime is 234671399. The reversal of 234671389 is 983176432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234671389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234671399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86524 + ... + 89194.

It is an arithmetic number, because the mean of its divisors is an integer number (29664544).

Almost surely, 2234671389 is an apocalyptic number.

It is an amenable number.

234671389 is a deficient number, since it is larger than the sum of its proper divisors (2644963).

234671389 is a wasteful number, since it uses less digits than its factorization.

234671389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627.

The product of its digits is 217728, while the sum is 43.

The square root of 234671389 is about 15318.9878582105. The cubic root of 234671389 is about 616.8128053294.

The spelling of 234671389 in words is "two hundred thirty-four million, six hundred seventy-one thousand, three hundred eighty-nine".

Divisors: 1 103 853 2671 87859 275113 2278363 234671389