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3890552057 = 7555793151
BaseRepresentation
bin1110011111100101…
…0001110011111001
3101001010202112002122
43213321101303321
530431440131212
61442020011025
7165261101240
oct34771216371
911033675078
103890552057
11171712a387
12906b30a75
134a0050712
1428c9c3957
1517b856272
hexe7e51cf9

3890552057 has 4 divisors (see below), whose sum is σ = 4446345216. Its totient is φ = 3334758900.

The previous prime is 3890552053. The next prime is 3890552069. The reversal of 3890552057 is 7502550983.

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 3890552057 - 22 = 3890552053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3890551999 and 3890552017.

It is not an unprimeable number, because it can be changed into a prime (3890552053) 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, 277896569 + ... + 277896582.

It is an arithmetic number, because the mean of its divisors is an integer number (1111586304).

Almost surely, 23890552057 is an apocalyptic number.

It is an amenable number.

3890552057 is a deficient number, since it is larger than the sum of its proper divisors (555793159).

3890552057 is an equidigital number, since it uses as much as digits as its factorization.

3890552057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555793158.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 3890552057 is about 62374.2900320316. The cubic root of 3890552057 is about 1572.7888086741.

The spelling of 3890552057 in words is "three billion, eight hundred ninety million, five hundred fifty-two thousand, fifty-seven".

Divisors: 1 7 555793151 3890552057