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1430129250 = 2335311217103
BaseRepresentation
bin101010100111110…
…0000101001100010
310200200001002112000
41111033200221202
510412103114000
6353524344430
750303620014
oct12517405142
93620032460
101430129250
116742a8300
1233ab45116
1319a39a534
14d7d161b4
1585847000
hex553e0a62

1430129250 has 384 divisors, whose sum is σ = 4660830720. Its totient is φ = 323136000.

The previous prime is 1430129209. The next prime is 1430129251. The reversal of 1430129250 is 529210341.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (1430129251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13884699 + ... + 13884801.

It is an arithmetic number, because the mean of its divisors is an integer number (12137580).

Almost surely, 21430129250 is an apocalyptic number.

1430129250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430129250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330415360).

1430129250 is an abundant number, since it is smaller than the sum of its proper divisors (3230701470).

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

1430129250 is a wasteful number, since it uses less digits than its factorization.

1430129250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1430129250 is about 37817.0497262809. The cubic root of 1430129250 is about 1126.6571134460.

Adding to 1430129250 its reverse (529210341), we get a palindrome (1959339591).

The spelling of 1430129250 in words is "one billion, four hundred thirty million, one hundred twenty-nine thousand, two hundred fifty".