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147012894 = 2347129641
BaseRepresentation
bin10001100001100…
…11110100011110
3101020122000210000
420300303310132
5300113403034
622330555130
73433406010
oct1060636436
9336560700
10147012894
1175a91a66
1241298aa6
13245c43a2
141574c1b0
15cd8e599
hex8c33d1e

147012894 has 40 divisors (see below), whose sum is σ = 376480368. Its totient is φ = 42003360.

The previous prime is 147012883. The next prime is 147012907. The reversal of 147012894 is 498210741.

147012894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1470128942 = 43225582004510472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63687 + ... + 65954.

Almost surely, 2147012894 is an apocalyptic number.

147012894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

147012894 is an abundant number, since it is smaller than the sum of its proper divisors (229467474).

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

147012894 is a wasteful number, since it uses less digits than its factorization.

147012894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129662 (or 129653 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 147012894 is about 12124.8873809203. The cubic root of 147012894 is about 527.7786391302.

The spelling of 147012894 in words is "one hundred forty-seven million, twelve thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 129641 259282 388923 777846 907487 1166769 1814974 2333538 2722461 3500307 5444922 7000614 8167383 10500921 16334766 21001842 24502149 49004298 73506447 147012894