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73160740 = 22513726701
BaseRepresentation
bin1000101110001…
…01100000100100
312002122221200001
410113011200210
5122212120430
611132031044
71545566422
oct427054044
9162587601
1073160740
113832a824
1220602484
13122073a3
149a06112
1566523ca
hex45c5824

73160740 has 24 divisors (see below), whose sum is σ = 154764792. Its totient is φ = 29049600.

The previous prime is 73160719. The next prime is 73160753. The reversal of 73160740 is 4706137.

It can be written as a sum of positive squares in 4 ways, for example, as 842724 + 72318016 = 918^2 + 8504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73160699 and 73160708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10611 + ... + 16090.

It is an arithmetic number, because the mean of its divisors is an integer number (6448533).

Almost surely, 273160740 is an apocalyptic number.

It is an amenable number.

73160740 is an abundant number, since it is smaller than the sum of its proper divisors (81604052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73160740 is a wasteful number, since it uses less digits than its factorization.

73160740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26847 (or 26845 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 73160740 is about 8553.4051698724. The cubic root of 73160740 is about 418.2404468123.

Adding to 73160740 its reverse (4706137), we get a palindrome (77866877).

The spelling of 73160740 in words is "seventy-three million, one hundred sixty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 26701 53402 106804 133505 267010 534020 3658037 7316074 14632148 18290185 36580370 73160740