Search a number
-
+
99184420 = 22537134033
BaseRepresentation
bin1011110100101…
…10111100100100
320220122002110001
411322112330210
5200342400140
613501511044
72313024256
oct572267444
9226562401
1099184420
1150a947a5
1229272484
131771950a
14d25bcd6
158a92e9a
hex5e96f24

99184420 has 24 divisors (see below), whose sum is σ = 213918264. Its totient is φ = 38601216.

The previous prime is 99184391. The next prime is 99184451. The reversal of 99184420 is 2448199.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30228004 + 68956416 = 5498^2 + 8304^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 99184420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66277 + ... + 67756.

It is an arithmetic number, because the mean of its divisors is an integer number (8913261).

Almost surely, 299184420 is an apocalyptic number.

It is an amenable number.

99184420 is an abundant number, since it is smaller than the sum of its proper divisors (114733844).

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

99184420 is a wasteful number, since it uses less digits than its factorization.

99184420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134079 (or 134077 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 99184420 is about 9959.1375128572. The cubic root of 99184420 is about 462.8935748934.

The spelling of 99184420 in words is "ninety-nine million, one hundred eighty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 134033 268066 536132 670165 1340330 2680660 4959221 9918442 19836884 24796105 49592210 99184420