Search a number
-
+
43774420340 = 22571916456549
BaseRepresentation
bin101000110001001010…
…001010010101110100
311011222201021221211102
4220301022022111310
51204122222422330
632035405425232
73106525301510
oct506112122564
9134881257742
1043774420340
11176235789a2
128597b6b218
134188031991
1421939a1140
15121304d945
hexa3128a574

43774420340 has 48 divisors (see below), whose sum is σ = 110588016000. Its totient is φ = 14218457472.

The previous prime is 43774420297. The next prime is 43774420399. The reversal of 43774420340 is 4302447734.

It is a super-2 number, since 2×437744203402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 43774420294 and 43774420303.

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, 8225615 + ... + 8230934.

It is an arithmetic number, because the mean of its divisors is an integer number (2303917000).

Almost surely, 243774420340 is an apocalyptic number.

It is an amenable number.

43774420340 is an abundant number, since it is smaller than the sum of its proper divisors (66813595660).

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

43774420340 is a wasteful number, since it uses less digits than its factorization.

43774420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456584 (or 16456582 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 38.

The spelling of 43774420340 in words is "forty-three billion, seven hundred seventy-four million, four hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 16456549 32913098 65826196 82282745 115195843 164565490 230391686 312674431 329130980 460783372 575979215 625348862 1151958430 1250697724 1563372155 2188721017 2303916860 3126744310 4377442034 6253488620 8754884068 10943605085 21887210170 43774420340