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36421925 = 521456877
BaseRepresentation
bin1000101011110…
…0000100100101
32112112102111012
42022330010211
533311000200
63340352005
7621403241
oct212740445
975472435
1036421925
1119617371
1210245605
137713047
144ba1421
1532e6a35
hex22bc125

36421925 has 6 divisors (see below), whose sum is σ = 45163218. Its totient is φ = 29137520.

The previous prime is 36421901. The next prime is 36421943. The reversal of 36421925 is 52912463.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 36409156 = 113^2 + 6034^2 .

It is not a de Polignac number, because 36421925 - 216 = 36356389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36421891 and 36421900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728414 + ... + 728463.

It is an arithmetic number, because the mean of its divisors is an integer number (7527203).

Almost surely, 236421925 is an apocalyptic number.

It is an amenable number.

36421925 is a deficient number, since it is larger than the sum of its proper divisors (8741293).

36421925 is a wasteful number, since it uses less digits than its factorization.

36421925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456887 (or 1456882 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 36421925 is about 6035.0579947503. The cubic root of 36421925 is about 331.4776861117.

The spelling of 36421925 in words is "thirty-six million, four hundred twenty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 1456877 7284385 36421925