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1490208 = 25319243
BaseRepresentation
bin101101011110100100000
32210201011220
411223310200
5340141313
651535040
715444426
oct5536440
92721156
101490208
11928685
125ba480
134023a5
142ab116
151e6823
hex16bd20

1490208 has 72 divisors (see below), whose sum is σ = 4224528. Its totient is φ = 459648.

The previous prime is 1490207. The next prime is 1490213. The reversal of 1490208 is 8020941.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1490207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34635 + ... + 34677.

It is an arithmetic number, because the mean of its divisors is an integer number (58674).

21490208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112264).

1490208 is an abundant number, since it is smaller than the sum of its proper divisors (2734320).

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

1490208 is a wasteful number, since it uses less digits than its factorization.

1490208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1490208 is about 1220.7407587199. The cubic root of 1490208 is about 114.2217904424.

The spelling of 1490208 in words is "one million, four hundred ninety thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 43 48 57 76 86 96 114 129 152 172 228 258 304 344 361 456 516 608 688 722 817 912 1032 1083 1376 1444 1634 1824 2064 2166 2451 2888 3268 4128 4332 4902 5776 6536 8664 9804 11552 13072 15523 17328 19608 26144 31046 34656 39216 46569 62092 78432 93138 124184 186276 248368 372552 496736 745104 1490208