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1421230499 = 13915711939
BaseRepresentation
bin101010010110110…
…0100000110100011
310200001021222201122
41110231210012203
510402313333444
6353005522455
750135155103
oct12455440643
93601258648
101421230499
1166a27a567
12337b7342b
131985a2cc0
14d6a7b203
1584b8a4ee
hex54b641a3

1421230499 has 8 divisors (see below), whose sum is σ = 1530851280. Its totient is φ = 1311651936.

The previous prime is 1421230483. The next prime is 1421230529. The reversal of 1421230499 is 9940321241.

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 1421230499 - 24 = 1421230483 is a prime.

It is a super-2 number, since 2×14212304992 = 4039792262575578002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421230439) 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, 113072 + ... + 125010.

It is an arithmetic number, because the mean of its divisors is an integer number (191356410).

Almost surely, 21421230499 is an apocalyptic number.

1421230499 is a deficient number, since it is larger than the sum of its proper divisors (109620781).

1421230499 is a wasteful number, since it uses less digits than its factorization.

1421230499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1421230499 is about 37699.2108538097. The cubic root of 1421230499 is about 1124.3154351138.

The spelling of 1421230499 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, four hundred ninety-nine".

Divisors: 1 13 9157 11939 119041 155207 109325423 1421230499