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190591033 = 19337751
BaseRepresentation
bin10110101110000…
…11000000111001
3111021122000202011
423113003000321
5342242403113
630525005521
74502665663
oct1327030071
9437560664
10190591033
1198646956
12539b38a1
1330641779
141b453533
1511aeb63d
hexb5c3039

190591033 has 16 divisors (see below), whose sum is σ = 206890240. Its totient is φ = 175446000.

The previous prime is 190591013. The next prime is 190591039. The reversal of 190591033 is 330195091.

It is a de Polignac number, because none of the positive numbers 2k-190591033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190590986 and 190591004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190591039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253408 + ... + 254158.

It is an arithmetic number, because the mean of its divisors is an integer number (12930640).

Almost surely, 2190591033 is an apocalyptic number.

It is an amenable number.

190591033 is a deficient number, since it is larger than the sum of its proper divisors (16299207).

190591033 is an frugal number, since it uses more digits than its factorization.

190591033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 190591033 is about 13805.4711256081. The cubic root of 190591033 is about 575.4851939992.

The spelling of 190591033 in words is "one hundred ninety million, five hundred ninety-one thousand, thirty-three".

Divisors: 1 19 37 361 703 751 6859 13357 14269 27787 253783 271111 527953 5151109 10031107 190591033