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99108240 = 243571131173
BaseRepresentation
bin1011110100001…
…00010110010000
320220111012221120
411322010112100
5200332430430
613500122240
72312256210
oct572042620
9226435846
1099108240
1150a42540
1229236380
13176c093a
14d23c240
158a7a610
hex5e84590

99108240 has 320 divisors, whose sum is σ = 397688832. Its totient is φ = 19814400.

The previous prime is 99108239. The next prime is 99108241. The reversal of 99108240 is 4280199.

It is an interprime number because it is at equal distance from previous prime (99108239) and next prime (99108241).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (99108241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 572794 + ... + 572966.

Almost surely, 299108240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99108240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198844416).

99108240 is an abundant number, since it is smaller than the sum of its proper divisors (298580592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99108240 is a wasteful number, since it uses less digits than its factorization.

99108240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 99108240 is about 9955.3121498022. The cubic root of 99108240 is about 462.7750338815.

The spelling of 99108240 in words is "ninety-nine million, one hundred eight thousand, two hundred forty".