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99882947 = 8310972
BaseRepresentation
bin1011111010000…
…01011111000011
320221221120122102
411331001133003
5201032223242
613524501015
72321663633
oct575013703
9227846572
1099882947
115142159a
122954a76b
1317902448
14d3a06c3
158b7ee32
hex5f417c3

99882947 has 6 divisors (see below), whose sum is σ = 101178588. Its totient is φ = 98589584.

The previous prime is 99882941. The next prime is 99882949. The reversal of 99882947 is 74928899.

It is a happy number.

It is not a de Polignac number, because 99882947 - 226 = 32774083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99882892 and 99882901.

It is not an unprimeable number, because it can be changed into a prime (99882941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90503 + ... + 91599.

It is an arithmetic number, because the mean of its divisors is an integer number (16863098).

Almost surely, 299882947 is an apocalyptic number.

99882947 is a deficient number, since it is larger than the sum of its proper divisors (1295641).

99882947 is an frugal number, since it uses more digits than its factorization.

99882947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 1180 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The square root of 99882947 is about 9994.1456363213. The cubic root of 99882947 is about 463.9777086868.

The spelling of 99882947 in words is "ninety-nine million, eight hundred eighty-two thousand, nine hundred forty-seven".

Divisors: 1 83 1097 91051 1203409 99882947