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16906248 = 2332234809
BaseRepresentation
bin100000001111…
…1100000001000
31011210221000100
41000133200020
513311444443
61402205400
7263462232
oct100374010
934727010
1016906248
1195a7a07
1257b3860
13366c1c8
142361252
15173e3d3
hex101f808

16906248 has 24 divisors (see below), whose sum is σ = 45787950. Its totient is φ = 5635392.

The previous prime is 16906243. The next prime is 16906249. The reversal of 16906248 is 84260961.

It can be written as a sum of positive squares in only one way, i.e., 14884164 + 2022084 = 3858^2 + 1422^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (16906243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117333 + ... + 117476.

Almost surely, 216906248 is an apocalyptic number.

16906248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16906248 is an abundant number, since it is smaller than the sum of its proper divisors (28881702).

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

16906248 is a wasteful number, since it uses less digits than its factorization.

16906248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234821 (or 234814 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 16906248 is about 4111.7208076425. The cubic root of 16906248 is about 256.6546153522.

The spelling of 16906248 in words is "sixteen million, nine hundred six thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 234809 469618 704427 939236 1408854 1878472 2113281 2817708 4226562 5635416 8453124 16906248