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1148492345 = 571113229469
BaseRepresentation
bin100010001110100…
…1001101000111001
32222001002110022112
41010131021220321
54323003223340
6305544102105
740314011120
oct10435115071
92861073275
101148492345
1153a326330
12280764935
13153c2ba90
14ac762ab7
156ac64065
hex44749a39

1148492345 has 32 divisors (see below), whose sum is σ = 1850446080. Its totient is φ = 660867840.

The previous prime is 1148492291. The next prime is 1148492347. The reversal of 1148492345 is 5432948411.

It is not a de Polignac number, because 1148492345 - 28 = 1148492089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148492347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109730 + ... + 119739.

It is an arithmetic number, because the mean of its divisors is an integer number (57826440).

Almost surely, 21148492345 is an apocalyptic number.

It is an amenable number.

1148492345 is a deficient number, since it is larger than the sum of its proper divisors (701953735).

1148492345 is a wasteful number, since it uses less digits than its factorization.

1148492345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229505.

The product of its digits is 138240, while the sum is 41.

The square root of 1148492345 is about 33889.4134649746. The cubic root of 1148492345 is about 1047.2315110951.

The spelling of 1148492345 in words is "one billion, one hundred forty-eight million, four hundred ninety-two thousand, three hundred forty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 229469 1147345 1606283 2524159 2983097 8031415 12620795 14915485 17669113 20881679 32814067 88345565 104408395 164070335 229698469 1148492345