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8897490 = 2325729487
BaseRepresentation
bin100001111100…
…001111010010
3121202001001200
4201330033102
54234204430
6514412030
7135425130
oct41741722
917661050
108897490
1150278a8
122b91016
131ac6ab4
141278750
15bab460
hex87c3d2

8897490 has 96 divisors (see below), whose sum is σ = 27406080. Its totient is φ = 1959552.

The previous prime is 8897467. The next prime is 8897503. The reversal of 8897490 is 947988.

8897490 = 1162 + 1172 + ... + 3042.

8897490 is nontrivially palindromic in base 4.

8897490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 18027 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (285480).

Almost surely, 28897490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8897490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13703040).

8897490 is an abundant number, since it is smaller than the sum of its proper divisors (18508590).

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

8897490 is a wasteful number, since it uses less digits than its factorization.

8897490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8897490 is about 2982.8660714152. The cubic root of 8897490 is about 207.2156263216.

The spelling of 8897490 in words is "eight million, eight hundred ninety-seven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 29 30 35 42 45 58 63 70 87 90 105 126 145 174 203 210 261 290 315 406 435 487 522 609 630 870 974 1015 1218 1305 1461 1827 2030 2435 2610 2922 3045 3409 3654 4383 4870 6090 6818 7305 8766 9135 10227 14123 14610 17045 18270 20454 21915 28246 30681 34090 42369 43830 51135 61362 70615 84738 98861 102270 127107 141230 153405 197722 211845 254214 296583 306810 423690 494305 593166 635535 889749 988610 1271070 1482915 1779498 2965830 4448745 8897490