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16361968 = 2471391051
BaseRepresentation
bin111110011010…
…100111110000
31010210021101211
4332122213300
513142040333
61342405504
7256034350
oct76324760
933707354
1016361968
119265a97
125590894
13350b54c
14225cb60
151682ecd
hexf9a9f0

16361968 has 40 divisors (see below), whose sum is σ = 36525440. Its totient is φ = 6955200.

The previous prime is 16361963. The next prime is 16361977. The reversal of 16361968 is 86916361.

It is a self number, because there is not a number n which added to its sum of digits gives 16361968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16361963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15043 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (913136).

Almost surely, 216361968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16361968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18262720).

16361968 is an abundant number, since it is smaller than the sum of its proper divisors (20163472).

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

16361968 is a wasteful number, since it uses less digits than its factorization.

16361968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 16361968 is about 4044.9929542584. The cubic root of 16361968 is about 253.8702708268.

The spelling of 16361968 in words is "sixteen million, three hundred sixty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 139 278 556 973 1051 1112 1946 2102 2224 3892 4204 7357 7784 8408 14714 15568 16816 29428 58856 117712 146089 292178 584356 1022623 1168712 2045246 2337424 4090492 8180984 16361968