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45040037 = 78397669
BaseRepresentation
bin1010101111010…
…0000110100101
310010202021022112
42223310012211
543012240122
64245210405
71054556030
oct253640645
9103667275
1045040037
1123473279
1213100a05
13943c913
145da6017
153e4a2e2
hex2af41a5

45040037 has 8 divisors (see below), whose sum is σ = 51542400. Its totient is φ = 38554704.

The previous prime is 45040001. The next prime is 45040081. The reversal of 45040037 is 73004054.

45040037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45040037 - 214 = 45023653 is a prime.

It is a super-2 number, since 2×450400372 = 4057209865922738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45039994 and 45040021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039 + ... + 9707.

It is an arithmetic number, because the mean of its divisors is an integer number (6442800).

Almost surely, 245040037 is an apocalyptic number.

It is an amenable number.

45040037 is a deficient number, since it is larger than the sum of its proper divisors (6502363).

45040037 is an equidigital number, since it uses as much as digits as its factorization.

45040037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45040037 is about 6711.1874508167. The cubic root of 45040037 is about 355.7947860966.

The spelling of 45040037 in words is "forty-five million, forty thousand, thirty-seven".

Divisors: 1 7 839 5873 7669 53683 6434291 45040037