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1142300250 = 232537213797
BaseRepresentation
bin100010000010110…
…0001111001011010
32221121102212100200
41010011201321122
54314412102000
6305203243030
740210251300
oct10405417132
92847385320
101142300250
115368870a3
1227a679476
13152871510
14ab9d0270
156a43e500
hex44161e5a

1142300250 has 288 divisors, whose sum is σ = 3874315536. Its totient is φ = 240710400.

The previous prime is 1142300249. The next prime is 1142300287. The reversal of 1142300250 is 520032411.

1142300250 is a `hidden beast` number, since 114 + 2 + 300 + 250 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 603729 + 1141696521 = 777^2 + 33789^2 .

It is a super-2 number, since 2×11423002502 = 2609699722300125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1432852 + ... + 1433648.

Almost surely, 21142300250 is an apocalyptic number.

1142300250 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 1142300250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937157768).

1142300250 is an abundant number, since it is smaller than the sum of its proper divisors (2732015286).

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

1142300250 is a wasteful number, since it uses less digits than its factorization.

1142300250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1142300250 is about 33797.9326290825. The cubic root of 1142300250 is about 1045.3460694576.

Adding to 1142300250 its reverse (520032411), we get a palindrome (1662332661).

The spelling of 1142300250 in words is "one billion, one hundred forty-two million, three hundred thousand, two hundred fifty".