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1045125450 = 233521574931
BaseRepresentation
bin111110010010110…
…101100101001010
32200211120212121000
4332102311211022
54120023003300
6251412355430
734620263655
oct7622654512
92624525530
101045125450
11496a45246
12252015b76
131386a9935
149cb3689c
1561b46c00
hex3e4b594a

1045125450 has 96 divisors (see below), whose sum is σ = 2898832320. Its totient is φ = 276868800.

The previous prime is 1045125437. The next prime is 1045125491. The reversal of 1045125450 is 545215401.

1045125450 is a `hidden beast` number, since 104 + 5 + 12 + 545 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209485 + ... + 214415.

It is an arithmetic number, because the mean of its divisors is an integer number (30196170).

Almost surely, 21045125450 is an apocalyptic number.

1045125450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045125450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449416160).

1045125450 is an abundant number, since it is smaller than the sum of its proper divisors (1853706870).

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

1045125450 is a wasteful number, since it uses less digits than its factorization.

1045125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1045125450 is about 32328.4000532040. The cubic root of 1045125450 is about 1014.8210674090.

The spelling of 1045125450 in words is "one billion, forty-five million, one hundred twenty-five thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 157 225 270 314 450 471 675 785 942 1350 1413 1570 2355 2826 3925 4239 4710 4931 7065 7850 8478 9862 11775 14130 14793 21195 23550 24655 29586 35325 42390 44379 49310 70650 73965 88758 105975 123275 133137 147930 211950 221895 246550 266274 369825 443790 665685 739650 774167 1109475 1331370 1548334 2218950 2322501 3328425 3870835 4645002 6656850 6967503 7741670 11612505 13935006 19354175 20902509 23225010 34837515 38708350 41805018 58062525 69675030 104512545 116125050 174187575 209025090 348375150 522562725 1045125450