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1157377060 = 225721180997
BaseRepresentation
bin100010011111100…
…0010110000100100
32222122210211212001
41010333002300210
54332242031220
6310502335044
740452354100
oct10477026044
92878724761
101157377060
11544344574
1228372a484
13155a1cac8
14ad9d6900
156b91b80a
hex44fc2c24

1157377060 has 36 divisors (see below), whose sum is σ = 2827309212. Its totient is φ = 396814656.

The previous prime is 1157377049. The next prime is 1157377063. The reversal of 1157377060 is 607737511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 462422016 + 694955044 = 21504^2 + 26362^2 .

It is not an unprimeable number, because it can be changed into a prime (1157377063) 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 11 ways as a sum of consecutive naturals, for example, 589519 + ... + 591478.

It is an arithmetic number, because the mean of its divisors is an integer number (78536367).

Almost surely, 21157377060 is an apocalyptic number.

1157377060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157377060 is an abundant number, since it is smaller than the sum of its proper divisors (1669932152).

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

1157377060 is a wasteful number, since it uses less digits than its factorization.

1157377060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181020 (or 1181011 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 1157377060 is about 34020.2448550859. The cubic root of 1157377060 is about 1049.9250316845.

The spelling of 1157377060 in words is "one billion, one hundred fifty-seven million, three hundred seventy-seven thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1180997 2361994 4723988 5904985 8266979 11809970 16533958 23619940 33067916 41334895 57868853 82669790 115737706 165339580 231475412 289344265 578688530 1157377060