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29185164 = 22331811493
BaseRepresentation
bin110111101010…
…1010010001100
32000220202112000
41233111102030
524432411124
62521312300
7503032641
oct157252214
960822460
1029185164
1115524278
129935690
13607b138
143c39dc8
1528676c9
hex1bd548c

29185164 has 48 divisors (see below), whose sum is σ = 76134240. Its totient is φ = 9668160.

The previous prime is 29185157. The next prime is 29185171. The reversal of 29185164 is 46158192.

It is an interprime number because it is at equal distance from previous prime (29185157) and next prime (29185171).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18802 + ... + 20294.

It is an arithmetic number, because the mean of its divisors is an integer number (1586130).

Almost surely, 229185164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29185164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38067120).

29185164 is an abundant number, since it is smaller than the sum of its proper divisors (46949076).

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

29185164 is a wasteful number, since it uses less digits than its factorization.

29185164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1679 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 29185164 is about 5402.3294975409. The cubic root of 29185164 is about 307.8841837000.

It can be divided in two parts, 29 and 185164, that added together give a cube (185193 = 573).

The spelling of 29185164 in words is "twenty-nine million, one hundred eighty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 181 362 543 724 1086 1493 1629 2172 2986 3258 4479 4887 5972 6516 8958 9774 13437 17916 19548 26874 40311 53748 80622 161244 270233 540466 810699 1080932 1621398 2432097 3242796 4864194 7296291 9728388 14592582 29185164