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166002254 = 21153142369
BaseRepresentation
bin10011110010011…
…11111001001110
3102120100210021122
421321033321032
5314444033004
624250000542
74053665405
oct1171177116
9376323248
10166002254
1185781a50
1247716152
13285127b2
141809263c
15e890cbe
hex9e4fe4e

166002254 has 16 divisors (see below), whose sum is σ = 276767280. Its totient is φ = 74031360.

The previous prime is 166002217. The next prime is 166002299. The reversal of 166002254 is 452200661.

166002254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70019 + ... + 72350.

It is an arithmetic number, because the mean of its divisors is an integer number (17297955).

Almost surely, 2166002254 is an apocalyptic number.

166002254 is a deficient number, since it is larger than the sum of its proper divisors (110765026).

166002254 is a wasteful number, since it uses less digits than its factorization.

166002254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142435.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 166002254 is about 12884.1861985924. The cubic root of 166002254 is about 549.5889534840.

The spelling of 166002254 in words is "one hundred sixty-six million, two thousand, two hundred fifty-four".

Divisors: 1 2 11 22 53 106 583 1166 142369 284738 1566059 3132118 7545557 15091114 83001127 166002254