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BaseRepresentation
bin1011111010101…
…10111111100001
320222010001111011
411331112333201
5201043033131
613530420521
72322511522
oct575267741
9228101434
1099971041
11514817a5
1229591741
1317933581
14d3c4849
158b9b0b1
hex5f56fe1

99971041 has 8 divisors (see below), whose sum is σ = 104739264. Its totient is φ = 95238000.

The previous prime is 99971023. The next prime is 99971051. The reversal of 99971041 is 14017999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99971041 - 215 = 99938273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99970985 and 99971003.

It is not an unprimeable number, because it can be changed into a prime (99971051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (13092408).

Almost surely, 299971041 is an apocalyptic number.

99971041 is the 5773-rd octagonal number.

It is an amenable number.

99971041 is a deficient number, since it is larger than the sum of its proper divisors (4768223).

99971041 is a wasteful number, since it uses less digits than its factorization.

99971041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17591.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 99971041 is about 9998.5519451569. The cubic root of 99971041 is about 464.1140737785.

The spelling of 99971041 in words is "ninety-nine million, nine hundred seventy-one thousand, forty-one".

Divisors: 1 23 251 5773 17317 398291 4346567 99971041