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73957045 = 5109135701
BaseRepresentation
bin1000110100001…
…11111010110101
312011011101222211
410122013322311
5122413111140
611201053421
71555424131
oct432077265
9164141884
1073957045
1138824028
1220927271
1312425986
149b723c1
15675d2ea
hex4687eb5

73957045 has 8 divisors (see below), whose sum is σ = 89563320. Its totient is φ = 58622400.

The previous prime is 73957027. The next prime is 73957049. The reversal of 73957045 is 54075937.

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 69605649 = 2086^2 + 8343^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-73957045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73956989 and 73957007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73957049) 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, 67306 + ... + 68395.

It is an arithmetic number, because the mean of its divisors is an integer number (11195415).

Almost surely, 273957045 is an apocalyptic number.

It is an amenable number.

73957045 is a deficient number, since it is larger than the sum of its proper divisors (15606275).

73957045 is a wasteful number, since it uses less digits than its factorization.

73957045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135815.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 73957045 is about 8599.8281959583. The cubic root of 73957045 is about 419.7523956296.

The spelling of 73957045 in words is "seventy-three million, nine hundred fifty-seven thousand, forty-five".

Divisors: 1 5 109 545 135701 678505 14791409 73957045