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99614161 = 142969709
BaseRepresentation
bin1011110111111…
…11110111010001
320221102220221101
411323333313101
5201000123121
613515024401
72316464203
oct573776721
9227386841
1099614161
1151258659
122943b101
1317839cba
14d330773
158b2a491
hex5effdd1

99614161 has 4 divisors (see below), whose sum is σ = 99685300. Its totient is φ = 99543024.

The previous prime is 99614153. The next prime is 99614171. The reversal of 99614161 is 16141699.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 96530625 = 1756^2 + 9825^2 .

It is a cyclic number.

It is not a de Polignac number, because 99614161 - 23 = 99614153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99614161.

It is not an unprimeable number, because it can be changed into a prime (99614171) 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, 33426 + ... + 36283.

It is an arithmetic number, because the mean of its divisors is an integer number (24921325).

Almost surely, 299614161 is an apocalyptic number.

99614161 is the 4464-th centered decagonal number.

It is an amenable number.

99614161 is a deficient number, since it is larger than the sum of its proper divisors (71139).

99614161 is a wasteful number, since it uses less digits than its factorization.

99614161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71138.

The product of its digits is 11664, while the sum is 37.

The square root of 99614161 is about 9980.6894050461. The cubic root of 99614161 is about 463.5611452673.

The spelling of 99614161 in words is "ninety-nine million, six hundred fourteen thousand, one hundred sixty-one".

Divisors: 1 1429 69709 99614161