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99383956 = 22722571973
BaseRepresentation
bin1011110110001…
…11101010010100
320221000020011021
411323013222110
5200420241311
613510050524
72314515100
oct573075224
9227006137
1099383956
1151110701
1229349a44
1317789299
14d2b0900
158ad2171
hex5ec7a94

99383956 has 36 divisors (see below), whose sum is σ = 203207508. Its totient is φ = 42405888.

The previous prime is 99383953. The next prime is 99383971. The reversal of 99383956 is 65938399.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67076100 + 32307856 = 8190^2 + 5684^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99383953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49386 + ... + 51358.

It is an arithmetic number, because the mean of its divisors is an integer number (5644653).

Almost surely, 299383956 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 99383956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101603754).

99383956 is an abundant number, since it is smaller than the sum of its proper divisors (103823552).

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

99383956 is a wasteful number, since it uses less digits than its factorization.

99383956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2239 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 52.

The square root of 99383956 is about 9969.1502145368. The cubic root of 99383956 is about 463.2037783952.

The spelling of 99383956 in words is "ninety-nine million, three hundred eighty-three thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 257 514 1028 1799 1973 3598 3946 7196 7892 12593 13811 25186 27622 50372 55244 96677 193354 386708 507061 1014122 2028244 3549427 7098854 14197708 24845989 49691978 99383956