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1252450130 = 251039831237
BaseRepresentation
bin100101010100110…
…1101111101010010
310020021201001120212
41022221231331102
510031111401010
6324140204122
743015436051
oct11251557522
93207631525
101252450130
11592a80358
122ab539642
1316c629b69
14bc4a4398
1574e4b505
hex4aa6df52

1252450130 has 32 divisors (see below), whose sum is σ = 2280455424. Its totient is φ = 495210816.

The previous prime is 1252450093. The next prime is 1252450139. The reversal of 1252450130 is 310542521.

It is a junction number, because it is equal to n+sod(n) for n = 1252450096 and 1252450105.

It is not an unprimeable number, because it can be changed into a prime (1252450139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011872 + ... + 1013108.

It is an arithmetic number, because the mean of its divisors is an integer number (71264232).

Almost surely, 21252450130 is an apocalyptic number.

1252450130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252450130 is a deficient number, since it is larger than the sum of its proper divisors (1028005294).

1252450130 is a wasteful number, since it uses less digits than its factorization.

1252450130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1252450130 is about 35389.9721672679. The cubic root of 1252450130 is about 1077.9207050053.

Adding to 1252450130 its reverse (310542521), we get a palindrome (1562992651).

The spelling of 1252450130 in words is "one billion, two hundred fifty-two million, four hundred fifty thousand, one hundred thirty".

Divisors: 1 2 5 10 103 206 515 983 1030 1237 1966 2474 4915 6185 9830 12370 101249 127411 202498 254822 506245 637055 1012490 1215971 1274110 2431942 6079855 12159710 125245013 250490026 626225065 1252450130