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1253130430 = 25373386839
BaseRepresentation
bin100101010110001…
…0100000010111110
310020022222121210011
41022230110002332
510031300133210
6324202533434
743024301326
oct11254240276
93208877704
101253130430
115933a5492
122ab80727a
1316c8076c6
14bc600286
1575032d8a
hex4ab140be

1253130430 has 16 divisors (see below), whose sum is σ = 2316598560. Its totient is φ = 487704672.

The previous prime is 1253130409. The next prime is 1253130449. The reversal of 1253130430 is 340313521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693050 + ... + 1693789.

It is an arithmetic number, because the mean of its divisors is an integer number (144787410).

Almost surely, 21253130430 is an apocalyptic number.

1253130430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253130430 is a deficient number, since it is larger than the sum of its proper divisors (1063468130).

1253130430 is a wasteful number, since it uses less digits than its factorization.

1253130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386883.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1253130430 is about 35399.5823421690. The cubic root of 1253130430 is about 1078.1158363206.

Adding to 1253130430 its reverse (340313521), we get a palindrome (1593443951).

The spelling of 1253130430 in words is "one billion, two hundred fifty-three million, one hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 3386839 6773678 16934195 33868390 125313043 250626086 626565215 1253130430