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36440125 = 53291521
BaseRepresentation
bin1000101100000…
…0100000111101
32112120100110021
42023000200331
533312041000
63341012141
7621510301
oct213004075
975510407
1036440125
111962a007
1210254051
13771b407
144ba7d01
1532ec11a
hex22c083d

36440125 has 8 divisors (see below), whose sum is σ = 45477432. Its totient is φ = 29152000.

The previous prime is 36440123. The next prime is 36440143. The reversal of 36440125 is 52104463.

It can be written as a sum of positive squares in 4 ways, for example, as 127449 + 36312676 = 357^2 + 6026^2 .

It is not a de Polignac number, because 36440125 - 21 = 36440123 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36440125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36440123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145636 + ... + 145885.

It is an arithmetic number, because the mean of its divisors is an integer number (5684679).

Almost surely, 236440125 is an apocalyptic number.

It is an amenable number.

36440125 is a deficient number, since it is larger than the sum of its proper divisors (9037307).

36440125 is an equidigital number, since it uses as much as digits as its factorization.

36440125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291536 (or 291526 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 36440125 is about 6036.5656626927. The cubic root of 36440125 is about 331.5328899419.

Adding to 36440125 its reverse (52104463), we get a palindrome (88544588).

The spelling of 36440125 in words is "thirty-six million, four hundred forty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 291521 1457605 7288025 36440125