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1420554115 = 5284110823
BaseRepresentation
bin101010010101011…
…1110111110000011
310200000000121220101
41110222332332003
510402130212430
6352543223231
750126340121
oct12452767603
93600017811
101420554115
11669958372
123378a7b17
131983c7186
14d6942911
1584aa4dca
hex54abef83

1420554115 has 4 divisors (see below), whose sum is σ = 1704664944. Its totient is φ = 1136443288.

The previous prime is 1420554103. The next prime is 1420554131. The reversal of 1420554115 is 5114550241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420554115 - 219 = 1420029827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142055407 + ... + 142055416.

It is an arithmetic number, because the mean of its divisors is an integer number (426166236).

Almost surely, 21420554115 is an apocalyptic number.

1420554115 is a deficient number, since it is larger than the sum of its proper divisors (284110829).

1420554115 is an equidigital number, since it uses as much as digits as its factorization.

1420554115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284110828.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1420554115 is about 37690.2389883641. The cubic root of 1420554115 is about 1124.1370475257.

The spelling of 1420554115 in words is "one billion, four hundred twenty million, five hundred fifty-four thousand, one hundred fifteen".

Divisors: 1 5 284110823 1420554115