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1148925090 = 23538297503
BaseRepresentation
bin100010001111011…
…0011010010100010
32222001220102221010
41010132303102202
54323111100330
6310001241350
740320462555
oct10436632242
92861812833
101148925090
1153a5a1475
12280933256
13154050a41
14ac83669c
156acec3b0
hex447b34a2

1148925090 has 16 divisors (see below), whose sum is σ = 2757420288. Its totient is φ = 306380016.

The previous prime is 1148925067. The next prime is 1148925091. The reversal of 1148925090 is 905298411.

It is not an unprimeable number, because it can be changed into a prime (1148925091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19148722 + ... + 19148781.

It is an arithmetic number, because the mean of its divisors is an integer number (172338768).

Almost surely, 21148925090 is an apocalyptic number.

1148925090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1148925090 is an abundant number, since it is smaller than the sum of its proper divisors (1608495198).

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

1148925090 is a wasteful number, since it uses less digits than its factorization.

1148925090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38297513.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1148925090 is about 33895.7975271272. The cubic root of 1148925090 is about 1047.3630247545.

The spelling of 1148925090 in words is "one billion, one hundred forty-eight million, nine hundred twenty-five thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 38297503 76595006 114892509 191487515 229785018 382975030 574462545 1148925090