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1049425321 = 7149917903
BaseRepresentation
bin111110100011001…
…111010110101001
32201010200022220111
4332203033112221
54122123102241
6252044454321
735001653020
oct7643172651
92633608814
101049425321
1149941185a
1225354a3a1
13139553b39
149d5358b7
15621e5c81
hex3e8cf5a9

1049425321 has 4 divisors (see below), whose sum is σ = 1199343232. Its totient is φ = 899507412.

The previous prime is 1049425261. The next prime is 1049425337. The reversal of 1049425321 is 1235249401.

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 1049425321 - 219 = 1048901033 is a prime.

It is a super-2 number, since 2×10494253212 = 2202587008711906082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049425721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74958945 + ... + 74958958.

It is an arithmetic number, because the mean of its divisors is an integer number (299835808).

Almost surely, 21049425321 is an apocalyptic number.

It is an amenable number.

1049425321 is a deficient number, since it is larger than the sum of its proper divisors (149917911).

1049425321 is an equidigital number, since it uses as much as digits as its factorization.

1049425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149917910.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1049425321 is about 32394.8347888981. The cubic root of 1049425321 is about 1016.2108938826.

The spelling of 1049425321 in words is "one billion, forty-nine million, four hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 7 149917903 1049425321