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1450020 = 223511133
BaseRepresentation
bin101100010000000100100
32201200001110
411202000210
5332400040
651025020
715216315
oct5420044
92650043
101450020
11900470
1259b170
133ba000
1429a60c
151d9980
hex162024

1450020 has 96 divisors (see below), whose sum is σ = 4798080. Its totient is φ = 324480.

The previous prime is 1450019. The next prime is 1450021. The reversal of 1450020 is 200541.

It is an interprime number because it is at equal distance from previous prime (1450019) and next prime (1450021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1449978 and 1450005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111534 + ... + 111546.

It is an arithmetic number, because the mean of its divisors is an integer number (49980).

21450020 is an apocalyptic number.

1450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399040).

1450020 is an abundant number, since it is smaller than the sum of its proper divisors (3348060).

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

1450020 is a wasteful number, since it uses less digits than its factorization.

1450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1450020 is about 1204.1677623986. The cubic root of 1450020 is about 113.1856399853.

Adding to 1450020 its reverse (200541), we get a palindrome (1650561).

The spelling of 1450020 in words is "one million, four hundred fifty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 169 195 220 260 286 330 338 390 429 507 572 660 676 715 780 845 858 1014 1430 1690 1716 1859 2028 2145 2197 2535 2860 3380 3718 4290 4394 5070 5577 6591 7436 8580 8788 9295 10140 10985 11154 13182 18590 21970 22308 24167 26364 27885 32955 37180 43940 48334 55770 65910 72501 96668 111540 120835 131820 145002 241670 290004 362505 483340 725010 1450020