Search a number
-
+
99358381 = 1073972339
BaseRepresentation
bin1011110110000…
…01011010101101
320220221221002001
411323001122231
5200413432011
613505332301
72314350403
oct573013255
9226857061
1099358381
11510a3471
1229337091
131777a755
14d2a5473
158ac97c1
hex5ec16ad

99358381 has 8 divisors (see below), whose sum is σ = 100582560. Its totient is φ = 98139888.

The previous prime is 99358373. The next prime is 99358397. The reversal of 99358381 is 18385399.

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 99358381 - 23 = 99358373 is a prime.

It is a super-2 number, since 2×993583812 = 19744175749882322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99358481) 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, 41310 + ... + 43648.

It is an arithmetic number, because the mean of its divisors is an integer number (12572820).

Almost surely, 299358381 is an apocalyptic number.

It is an amenable number.

99358381 is a deficient number, since it is larger than the sum of its proper divisors (1224179).

99358381 is a wasteful number, since it uses less digits than its factorization.

99358381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its digits is 233280, while the sum is 46.

The square root of 99358381 is about 9967.8674248808. The cubic root of 99358381 is about 463.1640420923.

The spelling of 99358381 in words is "ninety-nine million, three hundred fifty-eight thousand, three hundred eighty-one".

Divisors: 1 107 397 2339 42479 250273 928583 99358381