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1490333143 = 13831381217
BaseRepresentation
bin101100011010100…
…1010110111010111
310211212022202201211
41120311022313113
511023011130033
6403515002251
751634423405
oct13065126727
93755282654
101490333143
116a5288392
12357139387
131a99b9240
14101d08475
158ac8a2cd
hex58d4add7

1490333143 has 8 divisors (see below), whose sum is σ = 1624312368. Its totient is φ = 1359116544.

The previous prime is 1490333111. The next prime is 1490333177. The reversal of 1490333143 is 3413330941.

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 1490333143 - 25 = 1490333111 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 (1490333843) 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, 689530 + ... + 691687.

It is an arithmetic number, because the mean of its divisors is an integer number (203039046).

Almost surely, 21490333143 is an apocalyptic number.

1490333143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1490333143 is a deficient number, since it is larger than the sum of its proper divisors (133979225).

1490333143 is a wasteful number, since it uses less digits than its factorization.

1490333143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381313.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1490333143 is about 38604.8331559664. The cubic root of 1490333143 is about 1142.2498768228.

The spelling of 1490333143 in words is "one billion, four hundred ninety million, three hundred thirty-three thousand, one hundred forty-three".

Divisors: 1 13 83 1079 1381217 17955821 114641011 1490333143