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166033093 = 473532619
BaseRepresentation
bin10011110010101…
…11011011000101
3102120102100120211
421321113123011
5320001024333
624250355421
74054154332
oct1171273305
9376370524
10166033093
11857a3136
124772bb71
1328523845
141809d989
15e899ecd
hex9e576c5

166033093 has 4 divisors (see below), whose sum is σ = 169565760. Its totient is φ = 162500428.

The previous prime is 166033081. The next prime is 166033099. The reversal of 166033093 is 390330661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-166033093 is a prime.

It is a super-2 number, since 2×1660330932 = 55133975942293298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166033099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766263 + ... + 1766356.

It is an arithmetic number, because the mean of its divisors is an integer number (42391440).

Almost surely, 2166033093 is an apocalyptic number.

It is an amenable number.

166033093 is a deficient number, since it is larger than the sum of its proper divisors (3532667).

166033093 is an equidigital number, since it uses as much as digits as its factorization.

166033093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532666.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 166033093 is about 12885.3829201929. The cubic root of 166033093 is about 549.6229845968.

The spelling of 166033093 in words is "one hundred sixty-six million, thirty-three thousand, ninety-three".

Divisors: 1 47 3532619 166033093