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1115425245 = 351110763179
BaseRepresentation
bin100001001111100…
…0000100111011101
32212201212110210010
41002133000213131
54241022101440
6302403233433
736432646434
oct10237004735
92781773703
101115425245
115226a0550
12271678879
1314a121a4c
14a81d611b
1567dd1580
hex427c09dd

1115425245 has 32 divisors (see below), whose sum is σ = 1965150720. Its totient is φ = 535749440.

The previous prime is 1115425219. The next prime is 1115425247. The reversal of 1115425245 is 5425245111.

It is a de Polignac number, because none of the positive numbers 2k-1115425245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115425247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13935 + ... + 49244.

It is an arithmetic number, because the mean of its divisors is an integer number (61410960).

Almost surely, 21115425245 is an apocalyptic number.

1115425245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115425245 is a deficient number, since it is larger than the sum of its proper divisors (849725475).

1115425245 is a wasteful number, since it uses less digits than its factorization.

1115425245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63305.

The product of its digits is 8000, while the sum is 30.

The square root of 1115425245 is about 33397.9826486571. The cubic root of 1115425245 is about 1037.0829391583.

The spelling of 1115425245 in words is "one billion, one hundred fifteen million, four hundred twenty-five thousand, two hundred forty-five".

Divisors: 1 3 5 11 15 33 55 107 165 321 535 1177 1605 3531 5885 17655 63179 189537 315895 694969 947685 2084907 3474845 6760153 10424535 20280459 33800765 74361683 101402295 223085049 371808415 1115425245