Search a number
-
+
1074263240 = 23529926089
BaseRepresentation
bin100000000000111…
…1111010011001000
32202212102020010102
41000001333103020
54200002410430
6254333104532
735423041541
oct10001772310
92685366112
101074263240
11501436966
1225b928148
1314173c32b
14a295d4c8
15644a0345
hex4007f4c8

1074263240 has 32 divisors (see below), whose sum is σ = 2500443000. Its totient is φ = 414887424.

The previous prime is 1074263233. The next prime is 1074263279. The reversal of 1074263240 is 423624701.

It can be written as a sum of positive squares in 4 ways, for example, as 1056640036 + 17623204 = 32506^2 + 4198^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461885 + ... + 464204.

Almost surely, 21074263240 is an apocalyptic number.

1074263240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074263240 is an abundant number, since it is smaller than the sum of its proper divisors (1426179760).

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

1074263240 is a wasteful number, since it uses less digits than its factorization.

1074263240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926129 (or 926125 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1074263240 is about 32775.9552110995. The cubic root of 1074263240 is about 1024.1657268593.

Adding to 1074263240 its reverse (423624701), we get a palindrome (1497887941).

The spelling of 1074263240 in words is "one billion, seventy-four million, two hundred sixty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 926089 1852178 3704356 4630445 7408712 9260890 18521780 26856581 37043560 53713162 107426324 134282905 214852648 268565810 537131620 1074263240