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164823830 = 2547615749
BaseRepresentation
bin10011101001100…
…00001100010110
3102111010220210022
421310300030112
5314143330310
624204425142
74040656643
oct1164601426
9374126708
10164823830
1185047646
12472481b2
13281bc2c2
1417c66dca
15e70ba55
hex9d30316

164823830 has 32 divisors (see below), whose sum is σ = 308016000. Its totient is φ = 63457920.

The previous prime is 164823829. The next prime is 164823889. The reversal of 164823830 is 38328461.

It is a happy number.

164823830 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25796 + ... + 31544.

It is an arithmetic number, because the mean of its divisors is an integer number (9625500).

Almost surely, 2164823830 is an apocalyptic number.

164823830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164823830 is a deficient number, since it is larger than the sum of its proper divisors (143192170).

164823830 is a wasteful number, since it uses less digits than its factorization.

164823830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 164823830 is about 12838.3733393292. The cubic root of 164823830 is about 548.2853820180.

The spelling of 164823830 in words is "one hundred sixty-four million, eight hundred twenty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 47 61 94 122 235 305 470 610 2867 5734 5749 11498 14335 28670 28745 57490 270203 350689 540406 701378 1351015 1753445 2702030 3506890 16482383 32964766 82411915 164823830