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3863220481 = 37671025543
BaseRepresentation
bin1110011001000100…
…0001000100000001
3100222020022221020001
43212101001010001
530402441023411
61435202120001
7164506555321
oct34621010401
910866287201
103863220481
1117027617aa
128b9950001
134974a11a3
1428910b281
15179257dc1
hexe6441101

3863220481 has 4 divisors (see below), whose sum is σ = 3864249792. Its totient is φ = 3862191172.

The previous prime is 3863220451. The next prime is 3863220497. The reversal of 3863220481 is 1840223683.

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: 1840223683 = 7333250951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3863220481 is a prime.

It is a super-2 number, since 2×38632204812 = 29848944969635742722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3863220481.

It is not an unprimeable number, because it can be changed into a prime (3863220421) 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, 509005 + ... + 516538.

It is an arithmetic number, because the mean of its divisors is an integer number (966062448).

Almost surely, 23863220481 is an apocalyptic number.

It is an amenable number.

3863220481 is a deficient number, since it is larger than the sum of its proper divisors (1029311).

3863220481 is a wasteful number, since it uses less digits than its factorization.

3863220481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029310.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 3863220481 is about 62154.8106022374. The cubic root of 3863220481 is about 1569.0971428692.

The spelling of 3863220481 in words is "three billion, eight hundred sixty-three million, two hundred twenty thousand, four hundred eighty-one".

Divisors: 1 3767 1025543 3863220481