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133070 = 2571901
BaseRepresentation
bin100000011111001110
320202112112
4200133032
513224240
62504022
71062650
oct403716
9222475
10133070
1190a83
1265012
1348752
14366d0
1529665
hex207ce

133070 has 16 divisors (see below), whose sum is σ = 273888. Its totient is φ = 45600.

The previous prime is 133069. The next prime is 133073. The reversal of 133070 is 70331.

Added to its reverse (70331) it gives a square (203401 = 4512).

It is a happy number.

133070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 133070.

It is not an unprimeable number, because it can be changed into a prime (133073) 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, 881 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (17118).

2133070 is an apocalyptic number.

133070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133070 is an abundant number, since it is smaller than the sum of its proper divisors (140818).

It is a weird number, because it is abundant, but not a pseudoperfect number.

133070 is a wasteful number, since it uses less digits than its factorization.

133070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 133070 is about 364.7876094387. The cubic root of 133070 is about 51.0536408577.

Adding to 133070 its reverse (70331), we get a square (203401 = 4512).

The spelling of 133070 in words is "one hundred thirty-three thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 1901 3802 9505 13307 19010 26614 66535 133070