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16468380 = 2233530497
BaseRepresentation
bin111110110100…
…100110011100
31010222200101000
4332310212130
513203442010
61344550300
7256656525
oct76644634
933880330
1016468380
119328a35
125622390
133547b06
14228984c
1516a47c0
hexfb499c

16468380 has 48 divisors (see below), whose sum is σ = 51236640. Its totient is φ = 4391424.

The previous prime is 16468357. The next prime is 16468381. The reversal of 16468380 is 8386461.

It is a happy number.

16468380 is a `hidden beast` number, since 1 + 646 + 8 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16468381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14709 + ... + 15788.

It is an arithmetic number, because the mean of its divisors is an integer number (1067430).

Almost surely, 216468380 is an apocalyptic number.

16468380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16468380 is an abundant number, since it is smaller than the sum of its proper divisors (34768260).

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

16468380 is a wasteful number, since it uses less digits than its factorization.

16468380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515 (or 30507 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 16468380 is about 4058.1251828893. The cubic root of 16468380 is about 254.4194404866.

The spelling of 16468380 in words is "sixteen million, four hundred sixty-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 30497 60994 91491 121988 152485 182982 274473 304970 365964 457455 548946 609940 823419 914910 1097892 1372365 1646838 1829820 2744730 3293676 4117095 5489460 8234190 16468380