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99627841 = 853116797
BaseRepresentation
bin1011111000000…
…11001101000001
320221110121201001
411330003031001
5201001042331
613515212001
72316552115
oct574031501
9227417631
1099627841
1151267965
1229447001
13178432b1
14d335745
158b2e561
hex5f03341

99627841 has 4 divisors (see below), whose sum is σ = 99745492. Its totient is φ = 99510192.

The previous prime is 99627809. The next prime is 99627859. The reversal of 99627841 is 14872699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14872699 = 129711467.

It can be written as a sum of positive squares in 2 ways, for example, as 20061441 + 79566400 = 4479^2 + 8920^2 .

It is a cyclic number.

It is not a de Polignac number, because 99627841 - 25 = 99627809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99627791 and 99627800.

It is not an unprimeable number, because it can be changed into a prime (99627041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57546 + ... + 59251.

It is an arithmetic number, because the mean of its divisors is an integer number (24936373).

Almost surely, 299627841 is an apocalyptic number.

It is an amenable number.

99627841 is a deficient number, since it is larger than the sum of its proper divisors (117651).

99627841 is a wasteful number, since it uses less digits than its factorization.

99627841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117650.

The product of its digits is 217728, while the sum is 46.

The square root of 99627841 is about 9981.3747049192. The cubic root of 99627841 is about 463.5823645603.

The spelling of 99627841 in words is "ninety-nine million, six hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 853 116797 99627841