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3897002773 = 7154887363
BaseRepresentation
bin1110100001000111…
…1000101100010101
3101001120220020211001
43220101320230111
530440113042043
61442410143301
7165366656056
oct35021705425
911046806731
103897002773
11171a835954
12909121b31
134a149b901
1428d7c272d
1517c1cc74d
hexe8478b15

3897002773 has 4 divisors (see below), whose sum is σ = 3951890208. Its totient is φ = 3842115340.

The previous prime is 3897002761. The next prime is 3897002779. The reversal of 3897002773 is 3772007983.

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 a de Polignac number, because none of the positive numbers 2k-3897002773 is a prime.

It is a super-2 number, since 2×38970027732 = 30373261225539379058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897002779) 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, 27443611 + ... + 27443752.

It is an arithmetic number, because the mean of its divisors is an integer number (987972552).

Almost surely, 23897002773 is an apocalyptic number.

It is an amenable number.

3897002773 is a deficient number, since it is larger than the sum of its proper divisors (54887435).

3897002773 is an equidigital number, since it uses as much as digits as its factorization.

3897002773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54887434.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 3897002773 is about 62425.9783503631. The cubic root of 3897002773 is about 1573.6575809926.

The spelling of 3897002773 in words is "three billion, eight hundred ninety-seven million, two thousand, seven hundred seventy-three".

Divisors: 1 71 54887363 3897002773