Search a number
-
+
1024772020 = 225479711239
BaseRepresentation
bin111101000101001…
…100011110110100
32122102021210221021
4331011030132310
54044320201040
6245404230524
734252263346
oct7505143664
92572253837
101024772020
11486503428
1224723b444
1313440169c
149a159296
155ee7624a
hex3d14c7b4

1024772020 has 48 divisors (see below), whose sum is σ = 2220664320. Its totient is φ = 397016064.

The previous prime is 1024771981. The next prime is 1024772041. The reversal of 1024772020 is 202774201.

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, 85561 + ... + 96799.

It is an arithmetic number, because the mean of its divisors is an integer number (46263840).

Almost surely, 21024772020 is an apocalyptic number.

1024772020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024772020 is an abundant number, since it is smaller than the sum of its proper divisors (1195892300).

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

1024772020 is a wasteful number, since it uses less digits than its factorization.

1024772020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392 (or 11390 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1024772020 is about 32012.0605397403. The cubic root of 1024772020 is about 1008.1900794751.

The spelling of 1024772020 in words is "one billion, twenty-four million, seven hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 97 188 194 235 388 470 485 940 970 1940 4559 9118 11239 18236 22478 22795 44956 45590 56195 91180 112390 224780 528233 1056466 1090183 2112932 2180366 2641165 4360732 5282330 5450915 10564660 10901830 21803660 51238601 102477202 204954404 256193005 512386010 1024772020