Search a number
-
+
133874419 = 7211032477
BaseRepresentation
bin1111111101011…
…00001011110011
3100022220112011211
413332230023303
5233232440134
621141220551
73213625300
oct776541363
9308815154
10133874419
1169628918
1238a01757
1321974143
1413acc0a7
15bb46764
hex7fac2f3

133874419 has 12 divisors (see below), whose sum is σ = 155935584. Its totient is φ = 114599184.

The previous prime is 133874369. The next prime is 133874459. The reversal of 133874419 is 914478331.

It is not a de Polignac number, because 133874419 - 211 = 133872371 is a prime.

It is a super-2 number, since 2×1338744192 = 35844720125175122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133874459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52809 + ... + 55285.

It is an arithmetic number, because the mean of its divisors is an integer number (12994632).

Almost surely, 2133874419 is an apocalyptic number.

133874419 is a deficient number, since it is larger than the sum of its proper divisors (22061165).

133874419 is a wasteful number, since it uses less digits than its factorization.

133874419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594 (or 3587 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 133874419 is about 11570.4113582880. The cubic root of 133874419 is about 511.5630873009.

It can be divided in two parts, 1338 and 74419, that added together give a palindrome (75757).

The spelling of 133874419 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, four hundred nineteen".

Divisors: 1 7 49 1103 2477 7721 17339 54047 121373 2732131 19124917 133874419