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1148423260 = 22557421163
BaseRepresentation
bin100010001110011…
…1000110001011100
32222000221221112211
41010130320301130
54322444021020
6305542410204
740313302525
oct10434706134
92860857484
101148423260
1153a289436
12280730964
13153c064ba
14ac74584c
156ac4d85a
hex44738c5c

1148423260 has 12 divisors (see below), whose sum is σ = 2411688888. Its totient is φ = 459369296.

The previous prime is 1148423257. The next prime is 1148423291. The reversal of 1148423260 is 623248411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28710562 + ... + 28710601.

It is an arithmetic number, because the mean of its divisors is an integer number (200974074).

Almost surely, 21148423260 is an apocalyptic number.

1148423260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148423260 is an abundant number, since it is smaller than the sum of its proper divisors (1263265628).

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

1148423260 is a wasteful number, since it uses less digits than its factorization.

1148423260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57421172 (or 57421170 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1148423260 is about 33888.3941785385. The cubic root of 1148423260 is about 1047.2105127141.

The spelling of 1148423260 in words is "one billion, one hundred forty-eight million, four hundred twenty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 57421163 114842326 229684652 287105815 574211630 1148423260