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1248427090 = 252916192659
BaseRepresentation
bin100101001101001…
…0111110001010010
310020000010200000101
41022122113301102
510024044131330
6323514043014
742636312061
oct11232276122
93200120011
101248427090
11590782829
122aa11946a
1316b84b971
14bbb381d8
15749044ca
hex4a697c52

1248427090 has 32 divisors (see below), whose sum is σ = 2326968000. Its totient is φ = 481672128.

The previous prime is 1248427067. The next prime is 1248427099. The reversal of 1248427090 is 907248421.

It is not an unprimeable number, because it can be changed into a prime (1248427099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468181 + ... + 470839.

It is an arithmetic number, because the mean of its divisors is an integer number (72717750).

Almost surely, 21248427090 is an apocalyptic number.

1248427090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1248427090 is a deficient number, since it is larger than the sum of its proper divisors (1078540910).

1248427090 is a wasteful number, since it uses less digits than its factorization.

1248427090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1248427090 is about 35333.0877507189. The cubic root of 1248427090 is about 1076.7653244504.

The spelling of 1248427090 in words is "one billion, two hundred forty-eight million, four hundred twenty-seven thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 1619 2659 3238 5318 8095 13295 16190 26590 46951 77111 93902 154222 234755 385555 469510 771110 4304921 8609842 21524605 43049210 124842709 249685418 624213545 1248427090