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3948623887 = 13696743597
BaseRepresentation
bin1110101101011011…
…0011100000001111
3101012012000212200011
43223112303200033
531041321431022
61451452414051
7166564514665
oct35326634017
911165025604
103948623887
11174699362a
12922477327
134ac0a3b50
142965bcc35
151819c7977
hexeb5b380f

3948623887 has 8 divisors (see below), whose sum is σ = 4253072096. Its totient is φ = 3644276832.

The previous prime is 3948623873. The next prime is 3948623893. The reversal of 3948623887 is 7883268493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3948623887 - 211 = 3948621839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948623837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68773 + ... + 112369.

It is an arithmetic number, because the mean of its divisors is an integer number (531634012).

Almost surely, 23948623887 is an apocalyptic number.

3948623887 is a deficient number, since it is larger than the sum of its proper divisors (304448209).

3948623887 is a wasteful number, since it uses less digits than its factorization.

3948623887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50577.

The product of its digits is 13934592, while the sum is 58.

The square root of 3948623887 is about 62838.0767290025. The cubic root of 3948623887 is about 1580.5755376695.

The spelling of 3948623887 in words is "three billion, nine hundred forty-eight million, six hundred twenty-three thousand, eight hundred eighty-seven".

Divisors: 1 13 6967 43597 90571 566761 303740299 3948623887