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164482840 = 2356167411
BaseRepresentation
bin10011100110111…
…00111100011000
3102110111121001001
421303130330120
5314101422330
624153234344
74035036544
oct1163347430
9373447031
10164482840
1184934435
12471029b4
1328100032
1417bb8a24
15e6909ca
hex9cdcf18

164482840 has 32 divisors (see below), whose sum is σ = 376158960. Its totient is φ = 64713600.

The previous prime is 164482823. The next prime is 164482847. The reversal of 164482840 is 48284461.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164482840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164482847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31266 + ... + 36145.

Almost surely, 2164482840 is an apocalyptic number.

164482840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164482840 is an abundant number, since it is smaller than the sum of its proper divisors (211676120).

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

164482840 is a wasteful number, since it uses less digits than its factorization.

164482840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67483 (or 67479 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 164482840 is about 12825.0863544851. The cubic root of 164482840 is about 547.9070206504.

The spelling of 164482840 in words is "one hundred sixty-four million, four hundred eighty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 67411 134822 269644 337055 539288 674110 1348220 2696440 4112071 8224142 16448284 20560355 32896568 41120710 82241420 164482840