Search a number
-
+
1044746420 = 225418111571
BaseRepresentation
bin111110010001011…
…001000010110100
32200210212121122212
4332101121002310
54114423341140
6251400312552
734614124634
oct7621310264
92623777585
101044746420
114968064a3
12251a72758
131385a6263
149ca786c4
1561abe765
hex3e4590b4

1044746420 has 48 divisors (see below), whose sum is σ = 2251682496. Its totient is φ = 406944000.

The previous prime is 1044746419. The next prime is 1044746459. The reversal of 1044746420 is 246474401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664235 + ... + 665805.

It is an arithmetic number, because the mean of its divisors is an integer number (46910052).

Almost surely, 21044746420 is an apocalyptic number.

1044746420 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 1044746420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125841248).

1044746420 is an abundant number, since it is smaller than the sum of its proper divisors (1206936076).

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

1044746420 is a wasteful number, since it uses less digits than its factorization.

1044746420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1044746420 is about 32322.5373385197. The cubic root of 1044746420 is about 1014.6983726844.

The spelling of 1044746420 in words is "one billion, forty-four million, seven hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 811 820 1571 1622 3142 3244 4055 6284 7855 8110 15710 16220 31420 33251 64411 66502 128822 133004 166255 257644 322055 332510 644110 665020 1274081 1288220 2548162 5096324 6370405 12740810 25481620 52237321 104474642 208949284 261186605 522373210 1044746420