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164120542 = 2531548307
BaseRepresentation
bin10011100100001…
…00011111011110
3102102211012001121
421302010133132
5314003324132
624141401154
74032000355
oct1162043736
9372735047
10164120542
1184707213
1246b691ba
1328004161
1417b2299c
15e61d497
hex9c847de

164120542 has 8 divisors (see below), whose sum is σ = 250825896. Its totient is φ = 80511912.

The previous prime is 164120531. The next prime is 164120557. The reversal of 164120542 is 245021461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774048 + ... + 774259.

It is an arithmetic number, because the mean of its divisors is an integer number (31353237).

Almost surely, 2164120542 is an apocalyptic number.

164120542 is a deficient number, since it is larger than the sum of its proper divisors (86705354).

164120542 is a wasteful number, since it uses less digits than its factorization.

164120542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548362.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 164120542 is about 12810.9539847741. The cubic root of 164120542 is about 547.5044426014.

The spelling of 164120542 in words is "one hundred sixty-four million, one hundred twenty thousand, five hundred forty-two".

Divisors: 1 2 53 106 1548307 3096614 82060271 164120542