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3023021897 = 75313615987
BaseRepresentation
bin1011010000101111…
…1010011101001001
321210200100102102222
42310023322131021
522142343200042
61215545503425
7134625155630
oct26413723511
97720312388
103023021897
111311465105
127044a1b75
133923b526c
142096ba517
1512a5e02d2
hexb42fa749

3023021897 has 16 divisors (see below), whose sum is σ = 3523243392. Its totient is φ = 2539979520.

The previous prime is 3023021863. The next prime is 3023021899. The reversal of 3023021897 is 7981203203.

It is a cyclic number.

It is not a de Polignac number, because 3023021897 - 28 = 3023021641 is a prime.

It is a super-2 number, since 2×30230218972 = 18277322779482957218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3023021899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501938 + ... + 507924.

It is an arithmetic number, because the mean of its divisors is an integer number (220202712).

Almost surely, 23023021897 is an apocalyptic number.

It is an amenable number.

3023021897 is a deficient number, since it is larger than the sum of its proper divisors (500221495).

3023021897 is a wasteful number, since it uses less digits than its factorization.

3023021897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3023021897 is about 54982.0143046797. The cubic root of 3023021897 is about 1445.9294311516.

The spelling of 3023021897 in words is "three billion, twenty-three million, twenty-one thousand, eight hundred ninety-seven".

Divisors: 1 7 53 371 1361 5987 9527 41909 72133 317311 504931 2221177 8148307 57038149 431860271 3023021897