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16064490 = 23513172423
BaseRepresentation
bin111101010001…
…111111101010
31010020011100010
4331101333222
513103030430
61332152350
7253355151
oct75217752
933204303
1016064490
119082542
1254686b6
133436020
1421c2598
151624cb0
hexf51fea

16064490 has 64 divisors (see below), whose sum is σ = 43981056. Its totient is φ = 3720192.

The previous prime is 16064471. The next prime is 16064491. The reversal of 16064490 is 9446061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16064491) 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, 5419 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (687204).

Almost surely, 216064490 is an apocalyptic number.

16064490 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 16064490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21990528).

16064490 is an abundant number, since it is smaller than the sum of its proper divisors (27916566).

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

16064490 is a wasteful number, since it uses less digits than its factorization.

16064490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16064490 is about 4008.0531433603. The cubic root of 16064490 is about 252.3223074225.

The spelling of 16064490 in words is "sixteen million, sixty-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 255 390 442 510 663 1105 1326 2210 2423 3315 4846 6630 7269 12115 14538 24230 31499 36345 41191 62998 72690 82382 94497 123573 157495 188994 205955 247146 314990 411910 472485 535483 617865 944970 1070966 1235730 1606449 2677415 3212898 5354830 8032245 16064490