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99122274 = 232172271427
BaseRepresentation
bin1011110100001…
…11110001100010
320220111221012100
411322013301202
5200333403044
613500311230
72312345136
oct572076142
9226457170
1099122274
1150a52039
1229242516
13176c7144
14d2433c6
158a7e869
hex5e87c62

99122274 has 48 divisors (see below), whose sum is σ = 228559968. Its totient is φ = 30938496.

The previous prime is 99122273. The next prime is 99122299. The reversal of 99122274 is 47222199.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99122273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68749 + ... + 70175.

It is an arithmetic number, because the mean of its divisors is an integer number (4761666).

Almost surely, 299122274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99122274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114279984).

99122274 is an abundant number, since it is smaller than the sum of its proper divisors (129437694).

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

99122274 is a wasteful number, since it uses less digits than its factorization.

99122274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1676 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 99122274 is about 9956.0169746742. The cubic root of 99122274 is about 462.7968762574.

The spelling of 99122274 in words is "ninety-nine million, one hundred twenty-two thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 227 306 454 681 1362 1427 2043 2854 3859 4086 4281 7718 8562 11577 12843 23154 24259 25686 34731 48518 69462 72777 145554 218331 323929 436662 647858 971787 1943574 2915361 5506793 5830722 11013586 16520379 33040758 49561137 99122274