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3987379146 = 23664563191
BaseRepresentation
bin1110110110101010…
…1001001111001010
3101021212221211220010
43231222221033022
531131232113041
61455355212350
7200545110042
oct35552511712
911255854803
103987379146
111766853a73
129334470b6
134b7122c5a
1429b7ca722
151850d0a16
hexedaa93ca

3987379146 has 8 divisors (see below), whose sum is σ = 7974758304. Its totient is φ = 1329126380.

The previous prime is 3987379141. The next prime is 3987379147. The reversal of 3987379146 is 6419737893.

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

3987379146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3987379141) 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, 332281590 + ... + 332281601.

It is an arithmetic number, because the mean of its divisors is an integer number (996844788).

Almost surely, 23987379146 is an apocalyptic number.

3987379146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3987379146 is a wasteful number, since it uses less digits than its factorization.

3987379146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664563196.

The product of its digits is 6858432, while the sum is 57.

The square root of 3987379146 is about 63145.6977631889. The cubic root of 3987379146 is about 1585.7297632332.

The spelling of 3987379146 in words is "three billion, nine hundred eighty-seven million, three hundred seventy-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 664563191 1329126382 1993689573 3987379146