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105325920 = 25375743
BaseRepresentation
bin1100100011100…
…10010101100000
321100012010000000
412101302111200
5203430412140
614241300000
72416153440
oct621622540
9240163000
10105325920
11544a9a17
122b334600
1318a89a3b
14ddba120
1593a7a30
hex6472560

105325920 has 384 divisors, whose sum is σ = 436423680. Its totient is φ = 23514624.

The previous prime is 105325907. The next prime is 105325967. The reversal of 105325920 is 29523501.

It is a super-2 number, since 2×1053259202 = 22187098847692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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, 2449419 + ... + 2449461.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2105325920 is an apocalyptic number.

105325920 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 105325920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218211840).

105325920 is an abundant number, since it is smaller than the sum of its proper divisors (331097760).

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

105325920 is an frugal number, since it uses more digits than its factorization.

105325920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 105325920 is about 10262.8417117288. The cubic root of 105325920 is about 472.2570179256.

The spelling of 105325920 in words is "one hundred five million, three hundred twenty-five thousand, nine hundred twenty".