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1489939142 = 2832108139
BaseRepresentation
bin101100011001110…
…1010101011000110
310211211120202021012
41120303222223012
511022411023032
6403502322222
751631162616
oct13063525306
93754522235
101489939142
116a503936a
12356b89372
131a98abac3
14101c44a46
158ac0d6b2
hex58ceaac6

1489939142 has 12 divisors (see below), whose sum is σ = 2262180660. Its totient is φ = 735987228.

The previous prime is 1489939133. The next prime is 1489939181. The reversal of 1489939142 is 2419399841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40292 + ... + 67847.

It is an arithmetic number, because the mean of its divisors is an integer number (188515055).

Almost surely, 21489939142 is an apocalyptic number.

1489939142 is a deficient number, since it is larger than the sum of its proper divisors (772241518).

1489939142 is an equidigital number, since it uses as much as digits as its factorization.

1489939142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108307 (or 108224 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 1489939142 is about 38599.7298177073. The cubic root of 1489939142 is about 1142.1492086688.

The spelling of 1489939142 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-nine thousand, one hundred forty-two".

Divisors: 1 2 83 166 6889 13778 108139 216278 8975537 17951074 744969571 1489939142