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8049420 = 22325197227
BaseRepresentation
bin11110101101001100001100
3120010221201200
4132231030030
54030040140
6444305500
7125263461
oct36551414
916127650
108049420
1145a8715
122842290
13188aa92
1410d7668
15a90030
hex7ad30c

8049420 has 72 divisors (see below), whose sum is σ = 24648624. Its totient is φ = 2126208.

The previous prime is 8049413. The next prime is 8049467. The reversal of 8049420 is 249408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35347 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (342342).

Almost surely, 28049420 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 8049420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12324312).

8049420 is an abundant number, since it is smaller than the sum of its proper divisors (16599204).

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

8049420 is a wasteful number, since it uses less digits than its factorization.

8049420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8049420 is about 2837.1499784114. The cubic root of 8049420 is about 200.4109881983.

The spelling of 8049420 in words is "eight million, forty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 197 227 394 454 591 681 788 908 985 1135 1182 1362 1773 1970 2043 2270 2364 2724 2955 3405 3546 3940 4086 4540 5910 6810 7092 8172 8865 10215 11820 13620 17730 20430 35460 40860 44719 89438 134157 178876 223595 268314 402471 447190 536628 670785 804942 894380 1341570 1609884 2012355 2683140 4024710 8049420