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16246940 = 225812347
BaseRepresentation
bin111101111110…
…100010011100
31010120102121112
4331332202130
513124400230
61340121152
7255045113
oct75764234
933512545
1016246940
119197626
1255361b8
13349b098
14222cc7a
15165dd95
hexf7e89c

16246940 has 12 divisors (see below), whose sum is σ = 34118616. Its totient is φ = 6498768.

The previous prime is 16246939. The next prime is 16246943. The reversal of 16246940 is 4964261.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16246897 and 16246906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16246943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406154 + ... + 406193.

It is an arithmetic number, because the mean of its divisors is an integer number (2843218).

Almost surely, 216246940 is an apocalyptic number.

16246940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16246940 is an abundant number, since it is smaller than the sum of its proper divisors (17871676).

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

16246940 is a wasteful number, since it uses less digits than its factorization.

16246940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812356 (or 812354 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16246940 is about 4030.7493099919. The cubic root of 16246940 is about 253.2739511479.

The spelling of 16246940 in words is "sixteen million, two hundred forty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 812347 1624694 3249388 4061735 8123470 16246940