Search a number
-
+
16493190 = 235778539
BaseRepresentation
bin111110111010…
…101010000110
31011000221101220
4332322222012
513210240230
61345301210
7260122050
oct76725206
934027356
1016493190
11934563a
125634806
1335561ac
1422948d0
1516abd10
hexfbaa86

16493190 has 32 divisors (see below), whose sum is σ = 45239040. Its totient is φ = 3769824.

The previous prime is 16493177. The next prime is 16493203. The reversal of 16493190 is 9139461.

It is an interprime number because it is at equal distance from previous prime (16493177) and next prime (16493203).

It is a super-2 number, since 2×164931902 = 544050632752200, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39060 + ... + 39479.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 216493190 is an apocalyptic number.

16493190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16493190 is an abundant number, since it is smaller than the sum of its proper divisors (28745850).

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

16493190 is a wasteful number, since it uses less digits than its factorization.

16493190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78556.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16493190 is about 4061.1808627541. The cubic root of 16493190 is about 254.5471393287.

The spelling of 16493190 in words is "sixteen million, four hundred ninety-three thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 78539 157078 235617 392695 471234 549773 785390 1099546 1178085 1649319 2356170 2748865 3298638 5497730 8246595 16493190