Search a number
-
+
99871304 = 23134212281
BaseRepresentation
bin1011111001111…
…10101001001000
320221220222200012
411330332221020
5201031340204
613524331052
72321614661
oct574765110
9227828605
1099871304
1151413875
1229543a88
13178ca060
14d39a368
158b7b76e
hex5f3ea48

99871304 has 32 divisors (see below), whose sum is σ = 202230840. Its totient is φ = 45964800.

The previous prime is 99871279. The next prime is 99871307. The reversal of 99871304 is 40317899.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39062500 + 60808804 = 6250^2 + 7798^2 .

It is not an unprimeable number, because it can be changed into a prime (99871307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42644 + ... + 44924.

Almost surely, 299871304 is an apocalyptic number.

It is an amenable number.

99871304 is an abundant number, since it is smaller than the sum of its proper divisors (102359536).

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

99871304 is a wasteful number, since it uses less digits than its factorization.

99871304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 99871304 is about 9993.5631283342. The cubic root of 99871304 is about 463.9596799090.

The spelling of 99871304 in words is "ninety-nine million, eight hundred seventy-one thousand, three hundred four".

Divisors: 1 2 4 8 13 26 52 104 421 842 1684 2281 3368 4562 5473 9124 10946 18248 21892 29653 43784 59306 118612 237224 960301 1920602 3841204 7682408 12483913 24967826 49935652 99871304