Search a number
-
+
1065344772 = 223731216147
BaseRepresentation
bin111111011111111…
…101111100000100
32202020122010021210
4333133331330010
54140212013042
6253414011420
735254165302
oct7737757404
92666563253
101065344772
114a73a5328
12258946b70
1313c938b2b
14a16bb272
15637dca9c
hex3f7fdf04

1065344772 has 24 divisors (see below), whose sum is σ = 2519858656. Its totient is φ = 350250048.

The previous prime is 1065344767. The next prime is 1065344773. The reversal of 1065344772 is 2774435601.

It is a super-2 number, since 2×10653447722 = 2269918966455463968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1065344772.

It is not an unprimeable number, because it can be changed into a prime (1065344773) 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, 607198 + ... + 608949.

Almost surely, 21065344772 is an apocalyptic number.

1065344772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1065344772 is an abundant number, since it is smaller than the sum of its proper divisors (1454513884).

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

1065344772 is a wasteful number, since it uses less digits than its factorization.

1065344772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216227 (or 1216225 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 1065344772 is about 32639.6196669018. The cubic root of 1065344772 is about 1021.3236602355.

The spelling of 1065344772 in words is "one billion, sixty-five million, three hundred forty-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 1216147 2432294 3648441 4864588 7296882 14593764 88778731 177557462 266336193 355114924 532672386 1065344772