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16384020 = 2235273067
BaseRepresentation
bin111110100000…
…000000010100
31010211101122120
4332200000110
513143242040
61343055540
7256155552
oct76400024
933741576
1016384020
119280614
1255a15b0
1335185b3
142266bd2
1516897d0
hexfa0014

16384020 has 24 divisors (see below), whose sum is σ = 45875424. Its totient is φ = 4369056.

The previous prime is 16384003. The next prime is 16384037. The reversal of 16384020 is 2048361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16384003) and next prime (16384037).

It is a super-2 number, since 2×163840202 = 536872222720800, 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 7 ways as a sum of consecutive naturals, for example, 136474 + ... + 136593.

It is an arithmetic number, because the mean of its divisors is an integer number (1911476).

Almost surely, 216384020 is an apocalyptic number.

16384020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16384020 is an abundant number, since it is smaller than the sum of its proper divisors (29491404).

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

16384020 is a wasteful number, since it uses less digits than its factorization.

16384020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273079 (or 273077 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16384020 is about 4047.7178755442. The cubic root of 16384020 is about 253.9842716613.

The spelling of 16384020 in words is "sixteen million, three hundred eighty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 273067 546134 819201 1092268 1365335 1638402 2730670 3276804 4096005 5461340 8192010 16384020