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8834140 = 225789709
BaseRepresentation
bin100001101100…
…110001011100
3121121211011101
4201230301130
54230143030
6513202444
7135042340
oct41546134
917554141
108834140
114a94247
122b60424
131aa4003
14125d620
15b977ca
hex86cc5c

8834140 has 48 divisors (see below), whose sum is σ = 21470400. Its totient is φ = 2990592.

The previous prime is 8834131. The next prime is 8834149. The reversal of 8834140 is 414388.

It is an interprime number because it is at equal distance from previous prime (8834131) and next prime (8834149).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8834099 and 8834108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8834149) 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 15 ways as a sum of consecutive naturals, for example, 12106 + ... + 12814.

It is an arithmetic number, because the mean of its divisors is an integer number (447300).

Almost surely, 28834140 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 8834140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10735200).

8834140 is an abundant number, since it is smaller than the sum of its proper divisors (12636260).

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

8834140 is a wasteful number, since it uses less digits than its factorization.

8834140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 8834140 is about 2972.2281204511. The cubic root of 8834140 is about 206.7226637484.

The spelling of 8834140 in words is "eight million, eight hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 709 890 1246 1418 1780 2492 2836 3115 3545 4963 6230 7090 9926 12460 14180 19852 24815 49630 63101 99260 126202 252404 315505 441707 631010 883414 1262020 1766828 2208535 4417070 8834140