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1023421299 = 31572172869
BaseRepresentation
bin111101000000000…
…010101101110011
32122022202012002120
4331000002231303
54043443440144
6245315245323
734234636365
oct7500025563
92568665076
101023421299
1148577062a
122468a9843
1313404a944
1499cc6d35
155ecaae19
hex3d002b73

1023421299 has 8 divisors (see below), whose sum is σ = 1373253840. Its totient is φ = 677934816.

The previous prime is 1023421283. The next prime is 1023421303. The reversal of 1023421299 is 9921243201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023421299 - 24 = 1023421283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023421229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085964 + ... + 1086905.

It is an arithmetic number, because the mean of its divisors is an integer number (171656730).

Almost surely, 21023421299 is an apocalyptic number.

1023421299 is a deficient number, since it is larger than the sum of its proper divisors (349832541).

1023421299 is a wasteful number, since it uses less digits than its factorization.

1023421299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173029.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1023421299 is about 31990.9565189914. The cubic root of 1023421299 is about 1007.7469297687.

The spelling of 1023421299 in words is "one billion, twenty-three million, four hundred twenty-one thousand, two hundred ninety-nine".

Divisors: 1 3 157 471 2172869 6518607 341140433 1023421299