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3001023421 = 11272820311
BaseRepresentation
bin1011001011011111…
…1111101110111101
321202010221210012121
42302313333232331
522121230222141
61213442202541
7134240164264
oct26267775675
97663853177
103001023421
1112aaaaa350
126b9053451
1338a982306
142067d15db
151286e71d1
hexb2dffbbd

3001023421 has 4 divisors (see below), whose sum is σ = 3273843744. Its totient is φ = 2728203100.

The previous prime is 3001023401. The next prime is 3001023439. The reversal of 3001023421 is 1243201003.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3001023421 - 221 = 2998926269 is a prime.

It is a super-2 number, since 2×30010234212 = 18012283146781086482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3001023395 and 3001023404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001023401) 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, 136410145 + ... + 136410166.

It is an arithmetic number, because the mean of its divisors is an integer number (818460936).

Almost surely, 23001023421 is an apocalyptic number.

It is an amenable number.

3001023421 is a deficient number, since it is larger than the sum of its proper divisors (272820323).

3001023421 is a wasteful number, since it uses less digits than its factorization.

3001023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272820322.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3001023421 is about 54781.5974666676. The cubic root of 3001023421 is about 1442.4135548280.

Adding to 3001023421 its reverse (1243201003), we get a palindrome (4244224424).

The spelling of 3001023421 in words is "three billion, one million, twenty-three thousand, four hundred twenty-one".

Divisors: 1 11 272820311 3001023421