Search a number
-
+
34394160 = 24351391031
BaseRepresentation
bin1000001100110…
…1000000110000
32101201101220210
42003031000300
532301103120
63225104120
7565226343
oct203150060
971641823
1034394160
1118461929
12b628040
137183098
1447d445a
153045ce0
hex20cd030

34394160 has 80 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 9096960.

The previous prime is 34394099. The next prime is 34394167. The reversal of 34394160 is 6149343.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (34394167) 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, 32845 + ... + 33875.

It is an arithmetic number, because the mean of its divisors is an integer number (1343664).

Almost surely, 234394160 is an apocalyptic number.

34394160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34394160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53746560).

34394160 is an abundant number, since it is smaller than the sum of its proper divisors (73098960).

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

34394160 is a wasteful number, since it uses less digits than its factorization.

34394160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 34394160 is about 5864.6534424465. The cubic root of 34394160 is about 325.2082609945.

The spelling of 34394160 in words is "thirty-four million, three hundred ninety-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 139 240 278 417 556 695 834 1031 1112 1390 1668 2062 2085 2224 2780 3093 3336 4124 4170 5155 5560 6186 6672 8248 8340 10310 11120 12372 15465 16496 16680 20620 24744 30930 33360 41240 49488 61860 82480 123720 143309 247440 286618 429927 573236 716545 859854 1146472 1433090 1719708 2149635 2292944 2866180 3439416 4299270 5732360 6878832 8598540 11464720 17197080 34394160