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105298380 = 223451119311
BaseRepresentation
bin1100100011010…
…11100111001100
321100010201020000
412101223213030
5203424022010
614240524300
72416010235
oct621534714
9240121200
10105298380
1154490260
122b320690
1318a7a345
14ddb008c
15939e7c0
hex646b9cc

105298380 has 240 divisors, whose sum is σ = 380540160. Its totient is φ = 24105600.

The previous prime is 105298363. The next prime is 105298397. The reversal of 105298380 is 83892501.

It is an interprime number because it is at equal distance from previous prime (105298363) and next prime (105298397).

It is a super-2 number, since 2×1052983802 = 22175497661248800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 338425 + ... + 338735.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584).

Almost surely, 2105298380 is an apocalyptic number.

105298380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105298380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190270080).

105298380 is an abundant number, since it is smaller than the sum of its proper divisors (275241780).

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

105298380 is a wasteful number, since it uses less digits than its factorization.

105298380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 105298380 is about 10261.4998903669. The cubic root of 105298380 is about 472.2158533448.

The spelling of 105298380 in words is "one hundred five million, two hundred ninety-eight thousand, three hundred eighty".