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45195937 = 611973761
BaseRepresentation
bin1010110001101…
…0001010100001
310011001012011121
42230122022201
543032232222
64252412241
71056105403
oct254321241
9104035147
1045195937
112356a416
1213177081
139495877
146006b73
153e7b5c7
hex2b1a2a1

45195937 has 8 divisors (see below), whose sum is σ = 46182312. Its totient is φ = 44217600.

The previous prime is 45195919. The next prime is 45195971. The reversal of 45195937 is 73959154.

It can be written as a sum of positive squares in 4 ways, for example, as 6370576 + 38825361 = 2524^2 + 6231^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45195937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45195893 and 45195902.

It is not an unprimeable number, because it can be changed into a prime (45195977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10137 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (5772789).

Almost surely, 245195937 is an apocalyptic number.

It is an amenable number.

45195937 is a deficient number, since it is larger than the sum of its proper divisors (986375).

45195937 is a wasteful number, since it uses less digits than its factorization.

45195937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its digits is 170100, while the sum is 43.

The square root of 45195937 is about 6722.7923513969. The cubic root of 45195937 is about 356.2048252146.

The spelling of 45195937 in words is "forty-five million, one hundred ninety-five thousand, nine hundred thirty-seven".

Divisors: 1 61 197 3761 12017 229421 740917 45195937