Search a number
-
+
1072903912 = 231135311813
BaseRepresentation
bin111111111100110…
…011011011101000
32202202212011110221
4333330303123220
54144130411122
6254244015424
735405350513
oct7774633350
92682764427
101072903912
11500698653
1225b391574
131413846b2
14a26c7d7a
15642d26c7
hex3ff336e8

1072903912 has 16 divisors (see below), whose sum is σ = 2012042340. Its totient is φ = 536359296.

The previous prime is 1072903889. The next prime is 1072903919. The reversal of 1072903912 is 2193092701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1041611076 + 31292836 = 32274^2 + 5594^2 .

It is a super-2 number, since 2×10729039122 = 2302245608769807488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072903919) 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, 84918 + ... + 96730.

Almost surely, 21072903912 is an apocalyptic number.

It is an amenable number.

1072903912 is a deficient number, since it is larger than the sum of its proper divisors (939138428).

1072903912 is a wasteful number, since it uses less digits than its factorization.

1072903912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23172 (or 23168 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1072903912 is about 32755.2119822174. The cubic root of 1072903912 is about 1023.7335656312.

The spelling of 1072903912 in words is "one billion, seventy-two million, nine hundred three thousand, nine hundred twelve".

Divisors: 1 2 4 8 11353 11813 22706 23626 45412 47252 90824 94504 134112989 268225978 536451956 1072903912