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1023241340 = 225112422827
BaseRepresentation
bin111100111111010…
…110110001111100
32122022102001020102
4330333112301330
54043422210330
6245311340232
734233256622
oct7477266174
92568361212
101023241340
11485658400
12246821678
13133cb6a64
1499c7b512
155ec72945
hex3cfd6c7c

1023241340 has 36 divisors (see below), whose sum is σ = 2361917208. Its totient is φ = 372086880.

The previous prime is 1023241337. The next prime is 1023241357. The reversal of 1023241340 is 431423201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208994 + ... + 213833.

Almost surely, 21023241340 is an apocalyptic number.

1023241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023241340 is an abundant number, since it is smaller than the sum of its proper divisors (1338675868).

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

1023241340 is a wasteful number, since it uses less digits than its factorization.

1023241340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422858 (or 422845 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023241340 is about 31988.1437410801. The cubic root of 1023241340 is about 1007.6878587030.

Adding to 1023241340 its reverse (431423201), we get a palindrome (1454664541).

The spelling of 1023241340 in words is "one billion, twenty-three million, two hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 422827 845654 1691308 2114135 4228270 4651097 8456540 9302194 18604388 23255485 46510970 51162067 93021940 102324134 204648268 255810335 511620670 1023241340