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73027940 = 22531117787
BaseRepresentation
bin1000101101001…
…01000101100100
312002102012111112
410112211011210
5122143343230
611125124152
71544504306
oct426450544
9162365445
1073027940
1138249a77
1220559658
131218bacb
1499ad976
156627d95
hex45a5164

73027940 has 24 divisors (see below), whose sum is σ = 158307072. Its totient is φ = 28268640.

The previous prime is 73027907. The next prime is 73027951. The reversal of 73027940 is 4972037.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73027897 and 73027906.

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 7 ways as a sum of consecutive naturals, for example, 58274 + ... + 59513.

It is an arithmetic number, because the mean of its divisors is an integer number (6596128).

Almost surely, 273027940 is an apocalyptic number.

It is an amenable number.

73027940 is an abundant number, since it is smaller than the sum of its proper divisors (85279132).

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

73027940 is a wasteful number, since it uses less digits than its factorization.

73027940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117827 (or 117825 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 73027940 is about 8545.6386537227. The cubic root of 73027940 is about 417.9872328083.

Adding to 73027940 its reverse (4972037), we get a palindrome (77999977).

The spelling of 73027940 in words is "seventy-three million, twenty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 117787 235574 471148 588935 1177870 2355740 3651397 7302794 14605588 18256985 36513970 73027940