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1115625 = 355717
BaseRepresentation
bin100010000010111101001
32002200100110
410100113221
5241200000
635524533
712324360
oct4202751
92080313
101115625
116a2205
12459749
13300a44
142107d7
15170850
hex1105e9

1115625 has 48 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 480000.

The previous prime is 1115599. The next prime is 1115627. The reversal of 1115625 is 5265111.

It is not a de Polignac number, because 1115625 - 26 = 1115561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65617 + ... + 65633.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

21115625 is an apocalyptic number.

1115625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115625 is an abundant number, since it is smaller than the sum of its proper divisors (1134231).

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

1115625 is an frugal number, since it uses more digits than its factorization.

1115625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 32 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 1115625 is about 1056.2315087139. The cubic root of 1115625 is about 103.7144843841.

The spelling of 1115625 in words is "one million, one hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 3 5 7 15 17 21 25 35 51 75 85 105 119 125 175 255 357 375 425 525 595 625 875 1275 1785 1875 2125 2625 2975 3125 4375 6375 8925 9375 10625 13125 14875 21875 31875 44625 53125 65625 74375 159375 223125 371875 1115625