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816968148 = 223601113279
BaseRepresentation
bin110000101100011…
…111000111010100
32002221021021121120
4300230133013110
53133120440043
6213022243540
726150054223
oct6054370724
92087237546
10816968148
1138a180297
121a97265b0
13100344309
147a704cba
154bac9983
hex30b1f1d4

816968148 has 24 divisors (see below), whose sum is σ = 1909447680. Its totient is φ = 271867200.

The previous prime is 816968123. The next prime is 816968171. The reversal of 816968148 is 841869618.

816968148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 816968148.

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, 49428 + ... + 63851.

It is an arithmetic number, because the mean of its divisors is an integer number (79560320).

Almost surely, 2816968148 is an apocalyptic number.

It is an amenable number.

816968148 is an abundant number, since it is smaller than the sum of its proper divisors (1092479532).

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

816968148 is a wasteful number, since it uses less digits than its factorization.

816968148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113887 (or 113885 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 816968148 is about 28582.6546702716. The cubic root of 816968148 is about 934.8351670691.

The spelling of 816968148 in words is "eight hundred sixteen million, nine hundred sixty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 601 1202 1803 2404 3606 7212 113279 226558 339837 453116 679674 1359348 68080679 136161358 204242037 272322716 408484074 816968148