Search a number
-
+
33198427 = 313892753
BaseRepresentation
bin111111010100…
…1000101011011
32022110122200101
41332221011123
531444322202
63143320231
7552116263
oct176510533
968418611
1033198427
1117815519
12b150077
136b54a52
1445a27a3
152dab887
hex1fa915b

33198427 has 8 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 32033280.

The previous prime is 33198409. The next prime is 33198437. The reversal of 33198427 is 72489133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33198427 is a prime.

It is a super-2 number, since 2×331984272 = 2204271110548658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33198437) 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, 10683 + ... + 13435.

It is an arithmetic number, because the mean of its divisors is an integer number (4296240).

Almost surely, 233198427 is an apocalyptic number.

33198427 is a deficient number, since it is larger than the sum of its proper divisors (1171493).

33198427 is a wasteful number, since it uses less digits than its factorization.

33198427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its digits is 36288, while the sum is 37.

The square root of 33198427 is about 5761.8076156706. The cubic root of 33198427 is about 321.3950390510.

The spelling of 33198427 in words is "thirty-three million, one hundred ninety-eight thousand, four hundred twenty-seven".

Divisors: 1 31 389 2753 12059 85343 1070917 33198427