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1050253421 = 7178825659
BaseRepresentation
bin111110100110011…
…001100001101101
32201012020101211212
4332212121201231
54122331102141
6252114324205
735012002220
oct7646314155
92635211755
101050253421
11499927a38
12253889665
13139783a39
149d6ad5b7
156230b2eb
hex3e99986d

1050253421 has 8 divisors (see below), whose sum is σ = 1270895040. Its totient is φ = 847263168.

The previous prime is 1050253411. The next prime is 1050253429. The reversal of 1050253421 is 1243520501.

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 1050253421 - 214 = 1050237037 is a prime.

It is a super-5 number, since 5×10502534215 (a number of 46 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050253429) 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 7 ways as a sum of consecutive naturals, for example, 4412711 + ... + 4412948.

It is an arithmetic number, because the mean of its divisors is an integer number (158861880).

Almost surely, 21050253421 is an apocalyptic number.

It is an amenable number.

1050253421 is a deficient number, since it is larger than the sum of its proper divisors (220641619).

1050253421 is an equidigital number, since it uses as much as digits as its factorization.

1050253421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825683.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1050253421 is about 32407.6136270476. The cubic root of 1050253421 is about 1016.4781204535.

Adding to 1050253421 its reverse (1243520501), we get a palindrome (2293773922).

The spelling of 1050253421 in words is "one billion, fifty million, two hundred fifty-three thousand, four hundred twenty-one".

Divisors: 1 7 17 119 8825659 61779613 150036203 1050253421