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16639150 = 2521130253
BaseRepresentation
bin111111011110…
…010010101110
31011022100121211
4333132102232
513224423100
61352345034
7261300433
oct77362256
934270554
1016639150
119435270
1256a517a
1335a7768
1422d1b8a
1516da1ba
hexfde4ae

16639150 has 24 divisors (see below), whose sum is σ = 33763464. Its totient is φ = 6050400.

The previous prime is 16639123. The next prime is 16639163. The reversal of 16639150 is 5193661.

It is a super-2 number, since 2×166391502 = 553722625445000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14577 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (1406811).

Almost surely, 216639150 is an apocalyptic number.

16639150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16639150 is an abundant number, since it is smaller than the sum of its proper divisors (17124314).

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

16639150 is a wasteful number, since it uses less digits than its factorization.

16639150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30276 (or 30271 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 16639150 is about 4079.1114228469. Note that the first 3 decimals coincide. The cubic root of 16639150 is about 255.2958248222.

The spelling of 16639150 in words is "sixteen million, six hundred thirty-nine thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 30253 60506 151265 302530 332783 665566 756325 1512650 1663915 3327830 8319575 16639150