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1489972375 = 5331384509
BaseRepresentation
bin101100011001111…
…0010110010010111
310211211122102212001
41120303302302113
511022413104000
6403503140131
751631361533
oct13063626227
93754572761
101489972375
116a5061331
12356ba4647
131a98c0c78
14101c52bc3
158ac1846a
hex58cf2c97

1489972375 has 16 divisors (see below), whose sum is σ = 1919473920. Its totient is φ = 1153524000.

The previous prime is 1489972369. The next prime is 1489972391. The reversal of 1489972375 is 5732799841.

It is a happy number.

It is not a de Polignac number, because 1489972375 - 27 = 1489972247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188380 + ... + 196129.

It is an arithmetic number, because the mean of its divisors is an integer number (119967120).

Almost surely, 21489972375 is an apocalyptic number.

1489972375 is a deficient number, since it is larger than the sum of its proper divisors (429501545).

1489972375 is an equidigital number, since it uses as much as digits as its factorization.

1489972375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384555 (or 384545 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 1489972375 is about 38600.1602975946. The cubic root of 1489972375 is about 1142.1577004613.

The spelling of 1489972375 in words is "one billion, four hundred eighty-nine million, nine hundred seventy-two thousand, three hundred seventy-five".

Divisors: 1 5 25 31 125 155 775 3875 384509 1922545 9612725 11919779 48063625 59598895 297994475 1489972375