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1430121244 = 221153310087
BaseRepresentation
bin101010100111101…
…1110101100011100
310200200000200112111
41111033132230130
510412102334434
6353524243404
750303554456
oct12517365434
93620020474
101430121244
116742a2292
1233ab40564
1319a3969b6
14d7d132d6
1585844964
hex553deb1c

1430121244 has 12 divisors (see below), whose sum is σ = 2504890864. Its totient is φ = 714438144.

The previous prime is 1430121229. The next prime is 1430121247. The reversal of 1430121244 is 4421210341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430121247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150432 + ... + 159655.

Almost surely, 21430121244 is an apocalyptic number.

It is an amenable number.

1430121244 is a deficient number, since it is larger than the sum of its proper divisors (1074769620).

1430121244 is a wasteful number, since it uses less digits than its factorization.

1430121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311244 (or 311242 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1430121244 is about 37816.9438744064. The cubic root of 1430121244 is about 1126.6550110641.

Adding to 1430121244 its reverse (4421210341), we get a palindrome (5851331585).

The spelling of 1430121244 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 4 1153 2306 4612 310087 620174 1240348 357530311 715060622 1430121244