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164679340 = 22571769193
BaseRepresentation
bin10011101000011…
…00111010101100
3102110212120120211
421310030322230
5314124214330
624201352204
74036515460
oct1164147254
9373776524
10164679340
1184a59031
1247198664
132816b5c7
1417c2a4a0
15e6cdd2a
hex9d0ceac

164679340 has 48 divisors (see below), whose sum is σ = 418485312. Its totient is φ = 53139456.

The previous prime is 164679337. The next prime is 164679349. The reversal of 164679340 is 43976461.

164679340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164679293 and 164679302.

It is not an unprimeable number, because it can be changed into a prime (164679349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32217 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (8718444).

Almost surely, 2164679340 is an apocalyptic number.

164679340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164679340 is an abundant number, since it is smaller than the sum of its proper divisors (253805972).

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

164679340 is a wasteful number, since it uses less digits than its factorization.

164679340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69226 (or 69224 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 164679340 is about 12832.7448349915. The cubic root of 164679340 is about 548.1251201684.

The spelling of 164679340 in words is "one hundred sixty-four million, six hundred seventy-nine thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 69193 138386 276772 345965 484351 691930 968702 1176281 1383860 1937404 2352562 2421755 4705124 4843510 5881405 8233967 9687020 11762810 16467934 23525620 32935868 41169835 82339670 164679340