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99024901 = 397249433
BaseRepresentation
bin1011110011100…
…00000000000101
320220022222121221
411321300000011
5200322244101
613454240341
72311461223
oct571600005
9226288557
1099024901
1150995968
12291b60b1
1317691a21
14d219b13
158a60aa1
hex5e70005

99024901 has 4 divisors (see below), whose sum is σ = 99274732. Its totient is φ = 98775072.

The previous prime is 99024869. The next prime is 99024923. The reversal of 99024901 is 10942099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10942099 = 71563157.

It can be written as a sum of positive squares in 2 ways, for example, as 66830625 + 32194276 = 8175^2 + 5674^2 .

It is a cyclic number.

It is not a de Polignac number, because 99024901 - 25 = 99024869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99024931) 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, 124320 + ... + 125113.

It is an arithmetic number, because the mean of its divisors is an integer number (24818683).

Almost surely, 299024901 is an apocalyptic number.

It is an amenable number.

99024901 is a deficient number, since it is larger than the sum of its proper divisors (249831).

99024901 is a wasteful number, since it uses less digits than its factorization.

99024901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249830.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 99024901 is about 9951.1256147232. The cubic root of 99024901 is about 462.6452834059.

The spelling of 99024901 in words is "ninety-nine million, twenty-four thousand, nine hundred one".

Divisors: 1 397 249433 99024901