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1490216 = 237132389
BaseRepresentation
bin101101011110100101000
32210201012012
411223310220
5340141331
651535052
715444440
oct5536450
92721165
101490216
11928692
125ba488
134023b0
142ab120
151e682b
hex16bd28

1490216 has 64 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 557568.

The previous prime is 1490213. The next prime is 1490233. The reversal of 1490216 is 6120941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1490191 and 1490200.

It is not an unprimeable number, because it can be changed into a prime (1490213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16700 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

21490216 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 1490216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

1490216 is an abundant number, since it is smaller than the sum of its proper divisors (2138584).

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

1490216 is a wasteful number, since it uses less digits than its factorization.

1490216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1490216 is about 1220.7440354145. The cubic root of 1490216 is about 114.2219948373.

The spelling of 1490216 in words is "one million, four hundred ninety thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 13 14 23 26 28 46 52 56 89 91 92 104 161 178 182 184 299 322 356 364 598 623 644 712 728 1157 1196 1246 1288 2047 2093 2314 2392 2492 4094 4186 4628 4984 8099 8188 8372 9256 14329 16198 16376 16744 26611 28658 32396 53222 57316 64792 106444 114632 186277 212888 372554 745108 1490216