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48783812 = 227211417
BaseRepresentation
bin1011101000011…
…0000111000100
310101210110210212
42322012013010
544442040222
64501334552
71131440600
oct272060704
9111713725
1048783812
11255a0000
1214407458
13a15097c
14669c500
1544396e2
hex2e861c4

48783812 has 90 divisors (see below), whose sum is σ = 115666110. Its totient is φ = 17888640.

The previous prime is 48783803. The next prime is 48783817. The reversal of 48783812 is 21838784.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 2869636 = 6776^2 + 1694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48783812.

It is not an unprimeable number, because it can be changed into a prime (48783817) 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 29 ways as a sum of consecutive naturals, for example, 2869628 + ... + 2869644.

It is an arithmetic number, because the mean of its divisors is an integer number (1285179).

Almost surely, 248783812 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 48783812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57833055).

48783812 is an abundant number, since it is smaller than the sum of its proper divisors (66882298).

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

48783812 is a wasteful number, since it uses less digits than its factorization.

48783812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 37 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 48783812 is about 6984.5409297963. The cubic root of 48783812 is about 365.3916157068.

The spelling of 48783812 in words is "forty-eight million, seven hundred eighty-three thousand, eight hundred twelve".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 49 68 77 98 119 121 154 187 196 238 242 308 374 476 484 539 748 833 847 1078 1309 1331 1666 1694 2057 2156 2618 2662 3332 3388 4114 5236 5324 5929 8228 9163 9317 11858 14399 14641 18326 18634 22627 23716 28798 29282 36652 37268 45254 57596 58564 65219 90508 100793 102487 130438 158389 201586 204974 248897 260876 316778 403172 409948 497794 633556 717409 995588 1108723 1434818 1742279 2217446 2869636 3484558 4434892 6969116 12195953 24391906 48783812