Search a number
-
+
3162157960 = 235136081073
BaseRepresentation
bin1011110001111010…
…1011001110001000
322011101011021020111
42330132223032020
522434003023320
61241440004104
7141234620263
oct27436531610
98141137214
103162157960
111382a57095
12743000634
133b517c2b0
1421dd77cda
15137925a5a
hexbc7ab388

3162157960 has 32 divisors (see below), whose sum is σ = 7662153240. Its totient is φ = 1167565824.

The previous prime is 3162157939. The next prime is 3162157969. The reversal of 3162157960 is 697512613.

It can be written as a sum of positive squares in 4 ways, for example, as 1507458276 + 1654699684 = 38826^2 + 40678^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3162157969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3040017 + ... + 3041056.

Almost surely, 23162157960 is an apocalyptic number.

It is an amenable number.

3162157960 is an abundant number, since it is smaller than the sum of its proper divisors (4499995280).

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

3162157960 is a wasteful number, since it uses less digits than its factorization.

3162157960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081097 (or 6081093 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 3162157960 is about 56233.0682072391. The cubic root of 3162157960 is about 1467.7807474229.

The spelling of 3162157960 in words is "three billion, one hundred sixty-two million, one hundred fifty-seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 6081073 12162146 24324292 30405365 48648584 60810730 79053949 121621460 158107898 243242920 316215796 395269745 632431592 790539490 1581078980 3162157960