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1151500340 = 22557575017
BaseRepresentation
bin100010010100010…
…1000000000110100
32222020202021111202
41010220220000310
54324241002330
6310132352032
740351406564
oct10450500064
92866667452
101151500340
11540aa0281
12281775618
13154742c63
14acd06da4
156b15a445
hex44a28034

1151500340 has 12 divisors (see below), whose sum is σ = 2418150756. Its totient is φ = 460600128.

The previous prime is 1151500331. The next prime is 1151500369. The reversal of 1151500340 is 430051511.

It can be written as a sum of positive squares in 2 ways, for example, as 425844496 + 725655844 = 20636^2 + 26938^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 57575017 = 1151500340 / (1 + 1 + 5 + 1 + 5 + 0 + 0 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28787489 + ... + 28787528.

It is an arithmetic number, because the mean of its divisors is an integer number (201512563).

Almost surely, 21151500340 is an apocalyptic number.

1151500340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151500340 is an abundant number, since it is smaller than the sum of its proper divisors (1266650416).

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

1151500340 is a wasteful number, since it uses less digits than its factorization.

1151500340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57575026 (or 57575024 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1151500340 is about 33933.7640116743. The cubic root of 1151500340 is about 1048.1449756220.

Adding to 1151500340 its reverse (430051511), we get a palindrome (1581551851).

The spelling of 1151500340 in words is "one billion, one hundred fifty-one million, five hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 57575017 115150034 230300068 287875085 575750170 1151500340