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164551480 = 2354113787
BaseRepresentation
bin10011100111011…
…01101100111000
3102110122002012021
421303231230320
5314111121410
624154524224
74035443632
oct1163555470
9373562167
10164551480
1184980a65
1247136674
1328125352
1417bd5a52
15e6a5eda
hex9cedb38

164551480 has 16 divisors (see below), whose sum is σ = 370240920. Its totient is φ = 65820576.

The previous prime is 164551433. The next prime is 164551501. The reversal of 164551480 is 84155461.

164551480 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 3 ways as a sum of consecutive naturals, for example, 2056854 + ... + 2056933.

Almost surely, 2164551480 is an apocalyptic number.

164551480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164551480 is an abundant number, since it is smaller than the sum of its proper divisors (205689440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164551480 is a wasteful number, since it uses less digits than its factorization.

164551480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113798 (or 4113794 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 164551480 is about 12827.7620807372. The cubic root of 164551480 is about 547.9832253732.

The spelling of 164551480 in words is "one hundred sixty-four million, five hundred fifty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 4113787 8227574 16455148 20568935 32910296 41137870 82275740 164551480