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133100434 = 2197149333
BaseRepresentation
bin1111110111011…
…11001110010010
3100021110012110201
413323233032102
5233033203214
621112445414
73204222625
oct773571622
9307405421
10133100434
116914a365
12386a986a
1321762a6c
1413969dbc
15ba42274
hex7eef392

133100434 has 16 divisors (see below), whose sum is σ = 213122880. Its totient is φ = 62158320.

The previous prime is 133100431. The next prime is 133100441. The reversal of 133100434 is 434001331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (133100431) 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, 21969 + ... + 27364.

It is an arithmetic number, because the mean of its divisors is an integer number (13320180).

Almost surely, 2133100434 is an apocalyptic number.

133100434 is a deficient number, since it is larger than the sum of its proper divisors (80022446).

133100434 is a wasteful number, since it uses less digits than its factorization.

133100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49425.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133100434 is about 11536.9161390729. The cubic root of 133100434 is about 510.5753266416.

Adding to 133100434 its reverse (434001331), we get a palindrome (567101765).

The spelling of 133100434 in words is "one hundred thirty-three million, one hundred thousand, four hundred thirty-four".

Divisors: 1 2 19 38 71 142 1349 2698 49333 98666 937327 1874654 3502643 7005286 66550217 133100434