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1489212948 = 223401309479
BaseRepresentation
bin101100011000011…
…1001011000010100
310211210012212010010
41120300321120110
511022214303243
6403435000220
751622046466
oct13060713024
93753185103
101489212948
116a4692803
12356899070
131a96b63c2
14101ad6136
158ab18433
hex58c39614

1489212948 has 24 divisors (see below), whose sum is σ = 3483506880. Its totient is φ = 495164800.

The previous prime is 1489212943. The next prime is 1489212973. The reversal of 1489212948 is 8492129841.

It is a junction number, because it is equal to n+sod(n) for n = 1489212897 and 1489212906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489212941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149928 + ... + 159551.

It is an arithmetic number, because the mean of its divisors is an integer number (145146120).

Almost surely, 21489212948 is an apocalyptic number.

It is an amenable number.

1489212948 is an abundant number, since it is smaller than the sum of its proper divisors (1994293932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489212948 is a wasteful number, since it uses less digits than its factorization.

1489212948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309887 (or 309885 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 1489212948 is about 38590.3219473484. The cubic root of 1489212948 is about 1141.9636179359.

The spelling of 1489212948 in words is "one billion, four hundred eighty-nine million, two hundred twelve thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 401 802 1203 1604 2406 4812 309479 618958 928437 1237916 1856874 3713748 124101079 248202158 372303237 496404316 744606474 1489212948