Search a number
BaseRepresentation
bin1011110011010…
…10000110110100
320220021202111200
411321222012310
5200321011011
613453532500
72311330641
oct571520664
9226252450
1099000756
1150979808
12291a4130
1317683a3a
14d210dc8
158a58856
hex5e6a1b4

99000756 has 18 divisors (see below), whose sum is σ = 250252002. Its totient is φ = 33000240.

The previous prime is 99000739. The next prime is 99000791. The reversal of 99000756 is 65700099.

It can be written as a sum of positive squares in only one way, i.e., 79816356 + 19184400 = 8934^2 + 4380^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×990007562 = 19602299377143072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2750021 = 99000756 / (9 + 9 + 0 + 0 + 0 + 7 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 99000756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1374975 + ... + 1375046.

It is an arithmetic number, because the mean of its divisors is an integer number (13902889).

Almost surely, 299000756 is an apocalyptic number.

It is an amenable number.

99000756 is an abundant number, since it is smaller than the sum of its proper divisors (151251246).

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

99000756 is a wasteful number, since it uses less digits than its factorization.

99000756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750031 (or 2750026 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 99000756 is about 9949.9123614231. The cubic root of 99000756 is about 462.6076784591.

The spelling of 99000756 in words is "ninety-nine million, seven hundred fifty-six", and thus it is an aban number.