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8293420 = 2252979181
BaseRepresentation
bin11111101000110000101100
3120121100102201
4133220300230
54110342140
6453431244
7130331032
oct37506054
916540381
108293420
114754a73
12293b524
131944b65
14115c552
15adc49a
hex7e8c2c

8293420 has 48 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 3144960.

The previous prime is 8293393. The next prime is 8293423. The reversal of 8293420 is 243928.

It is not an unprimeable number, because it can be changed into a prime (8293423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45730 + ... + 45910.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 28293420 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 8293420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9172800).

8293420 is an abundant number, since it is smaller than the sum of its proper divisors (10052180).

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

8293420 is a wasteful number, since it uses less digits than its factorization.

8293420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8293420 is about 2879.8298560853. The cubic root of 8293420 is about 202.4158670975.

The spelling of 8293420 in words is "eight million, two hundred ninety-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 79 116 145 158 181 290 316 362 395 580 724 790 905 1580 1810 2291 3620 4582 5249 9164 10498 11455 14299 20996 22910 26245 28598 45820 52490 57196 71495 104980 142990 285980 414671 829342 1658684 2073355 4146710 8293420