Search a number
-
+
33158049 = 3291273001
BaseRepresentation
bin111111001111…
…1001110100001
32022101121021220
41332133032201
531442024144
63142405253
7551560461
oct176371641
968347256
1033158049
1117798151
12b130829
136b3c562
144591ba1
152d9e919
hex1f9f3a1

33158049 has 16 divisors (see below), whose sum is σ = 46110720. Its totient is φ = 21168000.

The previous prime is 33158011. The next prime is 33158057. The reversal of 33158049 is 94085133.

It is not a de Polignac number, because 33158049 - 27 = 33157921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33158009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9549 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (2881920).

Almost surely, 233158049 is an apocalyptic number.

It is an amenable number.

33158049 is a deficient number, since it is larger than the sum of its proper divisors (12952671).

33158049 is a wasteful number, since it uses less digits than its factorization.

33158049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 33158049 is about 5758.3026144863. The cubic root of 33158049 is about 321.2646859502.

The spelling of 33158049 in words is "thirty-three million, one hundred fifty-eight thousand, forty-nine".

Divisors: 1 3 29 87 127 381 3001 3683 9003 11049 87029 261087 381127 1143381 11052683 33158049