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1452747090 = 235402112043
BaseRepresentation
bin101011010010111…
…0010100101010010
310202020121012100210
41112211302211102
510433400401330
6400053224550
751000101154
oct12645624522
93666535323
101452747090
11686046433
12346632156
131a1c89382
14dad22ad4
15878138b0
hex56972952

1452747090 has 32 divisors (see below), whose sum is σ = 3487749696. Its totient is φ = 387270720.

The previous prime is 1452747071. The next prime is 1452747139. The reversal of 1452747090 is 907472541.

It is a super-2 number, since 2×14527470902 = 4220948215006936200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114609 + ... + 126651.

It is an arithmetic number, because the mean of its divisors is an integer number (108992178).

Almost surely, 21452747090 is an apocalyptic number.

1452747090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1452747090 is an abundant number, since it is smaller than the sum of its proper divisors (2035002606).

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

1452747090 is a wasteful number, since it uses less digits than its factorization.

1452747090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1452747090 is about 38114.9195197891. The cubic root of 1452747090 is about 1132.5655259856.

The spelling of 1452747090 in words is "one billion, four hundred fifty-two million, seven hundred forty-seven thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 4021 8042 12043 12063 20105 24086 24126 36129 40210 60215 60315 72258 120430 120630 180645 361290 48424903 96849806 145274709 242124515 290549418 484249030 726373545 1452747090