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99611966 = 249805983
BaseRepresentation
bin1011110111111…
…11010100111110
320221102210221002
411323333110332
5201000040331
613515010302
72316454616
oct573772476
9227383832
1099611966
1151256a43
1229439992
1317838cbc
14d32da46
158b299cb
hex5eff53e

99611966 has 4 divisors (see below), whose sum is σ = 149417952. Its totient is φ = 49805982.

The previous prime is 99611933. The next prime is 99611999. The reversal of 99611966 is 66911699.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99611933) and next prime (99611999).

99611966 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 99611966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24902990 + ... + 24902993.

It is an arithmetic number, because the mean of its divisors is an integer number (37354488).

Almost surely, 299611966 is an apocalyptic number.

99611966 is a deficient number, since it is larger than the sum of its proper divisors (49805986).

99611966 is a wasteful number, since it uses less digits than its factorization.

99611966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805985.

The product of its digits is 157464, while the sum is 47.

The square root of 99611966 is about 9980.5794420965. The cubic root of 99611966 is about 463.5577403826.

The spelling of 99611966 in words is "ninety-nine million, six hundred eleven thousand, nine hundred sixty-six".

Divisors: 1 2 49805983 99611966