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1423028049 = 3479990277
BaseRepresentation
bin101010011010001…
…1010111101010001
310200011200022111120
41110310122331101
510403243344144
6353112232453
750156352552
oct12464327521
93604608446
101423028049
11670298043
1233869b729
13198a82241
14d6dc8329
1584de2e19
hex54d1af51

1423028049 has 8 divisors (see below), whose sum is σ = 1901333760. Its totient is φ = 946703856.

The previous prime is 1423028017. The next prime is 1423028053. The reversal of 1423028049 is 9408203241.

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

It is not a de Polignac number, because 1423028049 - 25 = 1423028017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423028059) 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, 493702 + ... + 496575.

It is an arithmetic number, because the mean of its divisors is an integer number (237666720).

Almost surely, 21423028049 is an apocalyptic number.

It is an amenable number.

1423028049 is a deficient number, since it is larger than the sum of its proper divisors (478305711).

1423028049 is an equidigital number, since it uses as much as digits as its factorization.

1423028049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990759.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1423028049 is about 37723.0440049580. The cubic root of 1423028049 is about 1124.7892409136.

The spelling of 1423028049 in words is "one billion, four hundred twenty-three million, twenty-eight thousand, forty-nine".

Divisors: 1 3 479 1437 990277 2970831 474342683 1423028049