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145683932 = 22231583521
BaseRepresentation
bin10001010111011…
…11010111011100
3101011010111210012
420223233113130
5244243341212
622242302352
73416202332
oct1053572734
9334114705
10145683932
1175264549
12409579b8
132424a514
14154c3b52
15cbca922
hex8aef5dc

145683932 has 12 divisors (see below), whose sum is σ = 266031696. Its totient is φ = 69674880.

The previous prime is 145683917. The next prime is 145683943. The reversal of 145683932 is 239386541.

It is a self number, because there is not a number n which added to its sum of digits gives 145683932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791669 + ... + 791852.

It is an arithmetic number, because the mean of its divisors is an integer number (22169308).

Almost surely, 2145683932 is an apocalyptic number.

It is an amenable number.

145683932 is a deficient number, since it is larger than the sum of its proper divisors (120347764).

145683932 is a wasteful number, since it uses less digits than its factorization.

145683932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583548 (or 1583546 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 145683932 is about 12069.9599005133. The cubic root of 145683932 is about 526.1834912365.

The spelling of 145683932 in words is "one hundred forty-five million, six hundred eighty-three thousand, nine hundred thirty-two".

Divisors: 1 2 4 23 46 92 1583521 3167042 6334084 36420983 72841966 145683932