Search a number
-
+
99869028 = 22371188917
BaseRepresentation
bin1011111001111…
…10000101100100
320221220212112220
411330332011210
5201031302103
613524312340
72321605230
oct574760544
9227825486
1099869028
1151412096
12295426b0
13178c8ccc
14d3995c0
158b7ac53
hex5f3e164

99869028 has 24 divisors (see below), whose sum is σ = 266317632. Its totient is φ = 28533984.

The previous prime is 99868981. The next prime is 99869039. The reversal of 99869028 is 82096899.

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, 594375 + ... + 594542.

It is an arithmetic number, because the mean of its divisors is an integer number (11096568).

Almost surely, 299869028 is an apocalyptic number.

It is an amenable number.

99869028 is an abundant number, since it is smaller than the sum of its proper divisors (166448604).

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

99869028 is a wasteful number, since it uses less digits than its factorization.

99869028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188931 (or 1188929 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 99869028 is about 9993.4492543866. The cubic root of 99869028 is about 463.9561554390.

The spelling of 99869028 in words is "ninety-nine million, eight hundred sixty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1188917 2377834 3566751 4755668 7133502 8322419 14267004 16644838 24967257 33289676 49934514 99869028