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1421371486 = 2710685743
BaseRepresentation
bin101010010111000…
…0110100001011110
310200001120011010101
41110232012201132
510402332341421
6353012531314
750136313123
oct12456064136
93601504111
101421371486
1166a366487
12338020b3a
13198622222
14d6ab674a
1584bb7191
hex54b8685e

1421371486 has 4 divisors (see below), whose sum is σ = 2132057232. Its totient is φ = 710685742.

The previous prime is 1421371459. The next prime is 1421371489. The reversal of 1421371486 is 6841731241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421371489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355342870 + ... + 355342873.

It is an arithmetic number, because the mean of its divisors is an integer number (533014308).

Almost surely, 21421371486 is an apocalyptic number.

1421371486 is a deficient number, since it is larger than the sum of its proper divisors (710685746).

1421371486 is an equidigital number, since it uses as much as digits as its factorization.

1421371486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710685745.

The product of its digits is 32256, while the sum is 37.

The square root of 1421371486 is about 37701.0807006908. The cubic root of 1421371486 is about 1124.3526114946.

The spelling of 1421371486 in words is "one billion, four hundred twenty-one million, three hundred seventy-one thousand, four hundred eighty-six".

Divisors: 1 2 710685743 1421371486