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76230001 = 347219683
BaseRepresentation
bin1001000101100…
…10110101110001
312022102212220101
410202302311301
5124003330001
611321512401
71613641621
oct442626561
9168385811
1076230001
113a036801
1221642701
1312a40413
14a1a4881
156a5ba01
hex48b2d71

76230001 has 4 divisors (see below), whose sum is σ = 76450032. Its totient is φ = 76009972.

The previous prime is 76229999. The next prime is 76230041. The reversal of 76230001 is 10003267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10003267 = 64715461.

It is a cyclic number.

It is not a de Polignac number, because 76230001 - 21 = 76229999 is a prime.

It is a super-2 number, since 2×762300012 = 11622026104920002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109495 + ... + 110188.

It is an arithmetic number, because the mean of its divisors is an integer number (19112508).

Almost surely, 276230001 is an apocalyptic number.

It is an amenable number.

76230001 is a deficient number, since it is larger than the sum of its proper divisors (220031).

76230001 is a wasteful number, since it uses less digits than its factorization.

76230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220030.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 76230001 is about 8730.9793837805. The cubic root of 76230001 is about 424.0092279497.

Adding to 76230001 its reverse (10003267), we get a palindrome (86233268).

The spelling of 76230001 in words is "seventy-six million, two hundred thirty thousand, one".

Divisors: 1 347 219683 76230001