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164542702 = 282271351
BaseRepresentation
bin10011100111010…
…11100011101110
3102110121122011011
421303223203232
5314110331302
624154415434
74035406222
oct1163534356
9373548134
10164542702
1184975405
124713157a
132812135c
1417bd2782
15e6a35d7
hex9ceb8ee

164542702 has 4 divisors (see below), whose sum is σ = 246814056. Its totient is φ = 82271350.

The previous prime is 164542691. The next prime is 164542733. The reversal of 164542702 is 207245461.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 41135674 + ... + 41135677.

It is an arithmetic number, because the mean of its divisors is an integer number (61703514).

Almost surely, 2164542702 is an apocalyptic number.

164542702 is a deficient number, since it is larger than the sum of its proper divisors (82271354).

164542702 is an equidigital number, since it uses as much as digits as its factorization.

164542702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82271353.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 164542702 is about 12827.4199276394. The cubic root of 164542702 is about 547.9734811434.

The spelling of 164542702 in words is "one hundred sixty-four million, five hundred forty-two thousand, seven hundred two".

Divisors: 1 2 82271351 164542702