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1493424291 = 3736819289
BaseRepresentation
bin101100100000011…
…1101100010100011
310212002010210222210
41121000331202203
511024304034131
6404105133203
752002616452
oct13100754243
93762123883
101493424291
116a6aa9857
1235818a203
131aa52c218
141024b0b99
158b19b146
hex5903d8a3

1493424291 has 8 divisors (see below), whose sum is σ = 2018509840. Its totient is φ = 981977472.

The previous prime is 1493424269. The next prime is 1493424307. The reversal of 1493424291 is 1924243941.

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

It is not a de Polignac number, because 1493424291 - 26 = 1493424227 is a prime.

It is a super-2 number, since 2×14934242912 = 4460632225897705362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493424241) 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, 3409426 + ... + 3409863.

It is an arithmetic number, because the mean of its divisors is an integer number (252313730).

Almost surely, 21493424291 is an apocalyptic number.

1493424291 is a deficient number, since it is larger than the sum of its proper divisors (525085549).

1493424291 is an equidigital number, since it uses as much as digits as its factorization.

1493424291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819365.

The product of its digits is 62208, while the sum is 39.

The square root of 1493424291 is about 38644.8481818728. The cubic root of 1493424291 is about 1143.0390572126.

The spelling of 1493424291 in words is "one billion, four hundred ninety-three million, four hundred twenty-four thousand, two hundred ninety-one".

Divisors: 1 3 73 219 6819289 20457867 497808097 1493424291