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1242254024 = 231199714159
BaseRepresentation
bin100101000001011…
…0100101011001000
310012120112001011022
41022002310223020
510021004112044
6323133452012
742532661564
oct11202645310
93176461138
101242254024
11588246920
122a8041008
1316a499c6b
14badac6a4
15740d53ee
hex4a0b4ac8

1242254024 has 32 divisors (see below), whose sum is σ = 2543702400. Its totient is φ = 564054720.

The previous prime is 1242254023. The next prime is 1242254077. The reversal of 1242254024 is 4204522421.

It is a junction number, because it is equal to n+sod(n) for n = 1242253984 and 1242254002.

It is not an unprimeable number, because it can be changed into a prime (1242254023) 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, 80657 + ... + 94815.

It is an arithmetic number, because the mean of its divisors is an integer number (79490700).

Almost surely, 21242254024 is an apocalyptic number.

It is an amenable number.

1242254024 is an abundant number, since it is smaller than the sum of its proper divisors (1301448376).

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

1242254024 is a wasteful number, since it uses less digits than its factorization.

1242254024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173 (or 15169 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1242254024 is about 35245.6241823010. The cubic root of 1242254024 is about 1074.9876397353.

Adding to 1242254024 its reverse (4204522421), we get a palindrome (5446776445).

The spelling of 1242254024 in words is "one billion, two hundred forty-two million, two hundred fifty-four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 997 1994 3988 7976 10967 14159 21934 28318 43868 56636 87736 113272 155749 311498 622996 1245992 14116523 28233046 56466092 112932184 155281753 310563506 621127012 1242254024