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109374820 = 22531672633
BaseRepresentation
bin1101000010011…
…10110101100100
321121210211001021
412201032311210
5210444443240
614504140524
72465446012
oct641166544
9247724037
10109374820
1156814a15
1230767744
1319876939
14107518b2
15990754a
hex684ed64

109374820 has 48 divisors (see below), whose sum is σ = 240726528. Its totient is φ = 41690880.

The previous prime is 109374817. The next prime is 109374823. The reversal of 109374820 is 28473901.

It is an interprime number because it is at equal distance from previous prime (109374817) and next prime (109374823).

It is not an unprimeable number, because it can be changed into a prime (109374823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40224 + ... + 42856.

It is an arithmetic number, because the mean of its divisors is an integer number (5015136).

Almost surely, 2109374820 is an apocalyptic number.

109374820 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 109374820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120363264).

109374820 is an abundant number, since it is smaller than the sum of its proper divisors (131351708).

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

109374820 is a wasteful number, since it uses less digits than its factorization.

109374820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 109374820 is about 10458.2417260264. The cubic root of 109374820 is about 478.2325333481.

The spelling of 109374820 in words is "one hundred nine million, three hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 67 124 134 155 268 310 335 620 670 1340 2077 2633 4154 5266 8308 10385 10532 13165 20770 26330 41540 52660 81623 163246 176411 326492 352822 408115 705644 816230 882055 1632460 1764110 3528220 5468741 10937482 21874964 27343705 54687410 109374820