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76552001 = 372068973
BaseRepresentation
bin1001001000000…
…01011101000001
312100001020121022
410210001131001
5124044131001
611332435225
71616452451
oct444013501
9170036538
1076552001
113a236719
1221778b15
1312b23b56
14a249d61
156ac211b
hex4901741

76552001 has 4 divisors (see below), whose sum is σ = 78621012. Its totient is φ = 74482992.

The previous prime is 76551991. The next prime is 76552009. The reversal of 76552001 is 10025567.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49000000 + 27552001 = 7000^2 + 5249^2 .

It is a cyclic number.

It is not a de Polignac number, because 76552001 - 214 = 76535617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76552009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034450 + ... + 1034523.

It is an arithmetic number, because the mean of its divisors is an integer number (19655253).

Almost surely, 276552001 is an apocalyptic number.

It is an amenable number.

76552001 is a deficient number, since it is larger than the sum of its proper divisors (2069011).

76552001 is a wasteful number, since it uses less digits than its factorization.

76552001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069010.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 76552001 is about 8749.4000365739. The cubic root of 76552001 is about 424.6054026019.

Adding to 76552001 its reverse (10025567), we get a palindrome (86577568).

The spelling of 76552001 in words is "seventy-six million, five hundred fifty-two thousand, one".

Divisors: 1 37 2068973 76552001