Search a number
-
+
1122057520 = 24519970481
BaseRepresentation
bin100001011100001…
…0011110100110000
32220012100102112221
41002320103310300
54244221320040
6303201330424
736543221503
oct10270236460
92805312487
101122057520
11526410471
12273936a14
1314b60477c
14a904113a
156879174a
hex42e13d30

1122057520 has 40 divisors (see below), whose sum is σ = 2621930400. Its totient is φ = 446561280.

The previous prime is 1122057487. The next prime is 1122057527. The reversal of 1122057520 is 257502211.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1122057527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19321 + ... + 51160.

It is an arithmetic number, because the mean of its divisors is an integer number (65548260).

Almost surely, 21122057520 is an apocalyptic number.

1122057520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122057520 is an abundant number, since it is smaller than the sum of its proper divisors (1499872880).

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

1122057520 is a wasteful number, since it uses less digits than its factorization.

1122057520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70693 (or 70687 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1122057520 is about 33497.1270409867. The cubic root of 1122057520 is about 1039.1343635201.

Adding to 1122057520 its reverse (257502211), we get a palindrome (1379559731).

The spelling of 1122057520 in words is "one billion, one hundred twenty-two million, fifty-seven thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 199 398 796 995 1592 1990 3184 3980 7960 15920 70481 140962 281924 352405 563848 704810 1127696 1409620 2819240 5638480 14025719 28051438 56102876 70128595 112205752 140257190 224411504 280514380 561028760 1122057520