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99995471 = 539192053
BaseRepresentation
bin1011111010111…
…00111101001111
320222011021222222
411331130331033
5201044323341
613531125555
72322642662
oct575347517
9228137888
1099995471
1151499094
12295a38bb
1317941724
14d3cd6d9
158ba344b
hex5f5cf4f

99995471 has 8 divisors (see below), whose sum is σ = 102042720. Its totient is φ = 97954272.

The previous prime is 99995453. The next prime is 99995507. The reversal of 99995471 is 17459999.

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 99995471 - 26 = 99995407 is a prime.

It is a super-3 number, since 3×999954713 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47681 + ... + 49733.

It is an arithmetic number, because the mean of its divisors is an integer number (12755340).

Almost surely, 299995471 is an apocalyptic number.

99995471 is a deficient number, since it is larger than the sum of its proper divisors (2047249).

99995471 is a wasteful number, since it uses less digits than its factorization.

99995471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its digits is 918540, while the sum is 53.

The square root of 99995471 is about 9999.7735474360. The cubic root of 99995471 is about 464.1518760035.

The spelling of 99995471 in words is "ninety-nine million, nine hundred ninety-five thousand, four hundred seventy-one".

Divisors: 1 53 919 2053 48707 108809 1886707 99995471