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1430400441 = 33831244909
BaseRepresentation
bin101010101000010…
…0010110110111001
310200200112212112010
41111100202312321
510412140303231
6353534240133
750306126451
oct12520426671
93620485463
101430400441
11674473028
1233b056049
1319a463ac2
14d7d86d61
158589c546
hex55422db9

1430400441 has 8 divisors (see below), whose sum is σ = 1912181760. Its totient is φ = 951109712.

The previous prime is 1430400431. The next prime is 1430400479. The reversal of 1430400441 is 1440040341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1430400441 - 25 = 1430400409 is a prime.

It is a super-2 number, since 2×14304004412 = 4092090843225988962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1430400401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621306 + ... + 623603.

It is an arithmetic number, because the mean of its divisors is an integer number (239022720).

Almost surely, 21430400441 is an apocalyptic number.

It is an amenable number.

1430400441 is a deficient number, since it is larger than the sum of its proper divisors (481781319).

1430400441 is a wasteful number, since it uses less digits than its factorization.

1430400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245295.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1430400441 is about 37820.6351215841. The cubic root of 1430400441 is about 1126.7283237832.

Adding to 1430400441 its reverse (1440040341), we get a palindrome (2870440782).

The spelling of 1430400441 in words is "one billion, four hundred thirty million, four hundred thousand, four hundred forty-one".

Divisors: 1 3 383 1149 1244909 3734727 476800147 1430400441