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133044230 = 25113797337
BaseRepresentation
bin1111110111000…
…01100000000110
3100021100100101002
413323201200012
5233024403410
621111333302
73203600024
oct773414006
9307310332
10133044230
1169111110
1238681232
13217432c7
1413953714
15ba307a5
hex7ee1806

133044230 has 64 divisors (see below), whose sum is σ = 271881792. Its totient is φ = 46448640.

The previous prime is 133044217. The next prime is 133044239. The reversal of 133044230 is 32440331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133044239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394622 + ... + 394958.

It is an arithmetic number, because the mean of its divisors is an integer number (4248153).

Almost surely, 2133044230 is an apocalyptic number.

133044230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133044230 is an abundant number, since it is smaller than the sum of its proper divisors (138837562).

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

133044230 is a wasteful number, since it uses less digits than its factorization.

133044230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133044230 is about 11534.4800489662. The cubic root of 133044230 is about 510.5034500520.

Adding to 133044230 its reverse (32440331), we get a palindrome (165484561).

The spelling of 133044230 in words is "one hundred thirty-three million, forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 97 110 185 194 337 370 407 485 674 814 970 1067 1685 2035 2134 3370 3589 3707 4070 5335 7178 7414 10670 12469 17945 18535 24938 32689 35890 37070 39479 62345 65378 78958 124690 137159 163445 197395 274318 326890 359579 394790 685795 719158 1209493 1371590 1797895 2418986 3595790 6047465 12094930 13304423 26608846 66522115 133044230