Search a number
-
+
379658690 = 2537965869
BaseRepresentation
bin10110101000010…
…010000111000010
3222110101122210222
4112220102013002
51234143034230
6101401223042
712260021435
oct2650220702
9873348728
10379658690
11185342214
12a7191a82
136086ba18
14385cb81c
15234e66e5
hex16a121c2

379658690 has 8 divisors (see below), whose sum is σ = 683385660. Its totient is φ = 151863472.

The previous prime is 379658659. The next prime is 379658711. The reversal of 379658690 is 96856973.

It can be written as a sum of positive squares in 2 ways, for example, as 378652681 + 1006009 = 19459^2 + 1003^2 .

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

It is a super-2 number, since 2×3796586902 = 288281441785032200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18982925 + ... + 18982944.

Almost surely, 2379658690 is an apocalyptic number.

379658690 is a deficient number, since it is larger than the sum of its proper divisors (303726970).

379658690 is a wasteful number, since it uses less digits than its factorization.

379658690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37965876.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 379658690 is about 19484.8323061811. The cubic root of 379658690 is about 724.0987230944.

The spelling of 379658690 in words is "three hundred seventy-nine million, six hundred fifty-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 37965869 75931738 189829345 379658690