Search a number
-
+
99815053 = 138392507
BaseRepresentation
bin1011111001100…
…00111010001101
320221211010111211
411330300322031
5201023040203
613523214421
72321261662
oct574607215
9227733454
1099815053
1151385588
1229517411
13178aa580
14d383a69
158b69c6d
hex5f30e8d

99815053 has 8 divisors (see below), whose sum is σ = 108789408. Its totient is φ = 91025904.

The previous prime is 99815039. The next prime is 99815069. The reversal of 99815053 is 35051899.

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 99815053 - 221 = 97717901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99814997 and 99815015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99815953) 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, 45175 + ... + 47332.

It is an arithmetic number, because the mean of its divisors is an integer number (13598676).

Almost surely, 299815053 is an apocalyptic number.

It is an amenable number.

99815053 is a deficient number, since it is larger than the sum of its proper divisors (8974355).

99815053 is a wasteful number, since it uses less digits than its factorization.

99815053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92603.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 99815053 is about 9990.7483703675. The cubic root of 99815053 is about 463.8725574616.

The spelling of 99815053 in words is "ninety-nine million, eight hundred fifteen thousand, fifty-three".

Divisors: 1 13 83 1079 92507 1202591 7678081 99815053