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1403482421 = 11127589311
BaseRepresentation
bin101001110100111…
…0111000100110101
310121210220021221102
41103221313010311
510333242414141
6351133255445
746531255325
oct12351670465
93553807842
101403482421
11660258130
12332034585
131949ca893
14d457b285
158333199b
hex53a77135

1403482421 has 4 divisors (see below), whose sum is σ = 1531071744. Its totient is φ = 1275893100.

The previous prime is 1403482417. The next prime is 1403482477. The reversal of 1403482421 is 1242843041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1403482421 - 22 = 1403482417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403482411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63794645 + ... + 63794666.

It is an arithmetic number, because the mean of its divisors is an integer number (382767936).

Almost surely, 21403482421 is an apocalyptic number.

1403482421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1403482421 is a deficient number, since it is larger than the sum of its proper divisors (127589323).

1403482421 is a wasteful number, since it uses less digits than its factorization.

1403482421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127589322.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1403482421 is about 37463.0807729423. The cubic root of 1403482421 is about 1119.6157325984.

The spelling of 1403482421 in words is "one billion, four hundred three million, four hundred eighty-two thousand, four hundred twenty-one".

Divisors: 1 11 127589311 1403482421