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133741705 = 5148118061
BaseRepresentation
bin1111111100010…
…11110010001001
3100022122210010111
413332023302021
5233214213310
621134314321
73212533336
oct776136211
9308583114
10133741705
1169548139
12389589a1
1321928906
1413a9598d
15bb1c28a
hex7f8bc89

133741705 has 8 divisors (see below), whose sum is σ = 160607304. Its totient is φ = 106915200.

The previous prime is 133741697. The next prime is 133741709. The reversal of 133741705 is 507147331.

It can be written as a sum of positive squares in 4 ways, for example, as 25644096 + 108097609 = 5064^2 + 10397^2 .

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

It is not a de Polignac number, because 133741705 - 23 = 133741697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133741709) 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, 1626 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (20075913).

Almost surely, 2133741705 is an apocalyptic number.

It is an amenable number.

133741705 is a deficient number, since it is larger than the sum of its proper divisors (26865599).

133741705 is a wasteful number, since it uses less digits than its factorization.

133741705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19547.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 133741705 is about 11564.6748765367. The cubic root of 133741705 is about 511.3939884524.

The spelling of 133741705 in words is "one hundred thirty-three million, seven hundred forty-one thousand, seven hundred five".

Divisors: 1 5 1481 7405 18061 90305 26748341 133741705