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3688488884 = 22922122221
BaseRepresentation
bin1101101111011001…
…1101111110110100
3100112001112122112102
43123312131332310
530023223121014
61410001041232
7160255431623
oct33366357664
910461478472
103688488884
111623068323
1286b326218
1346a223302
1426dc256ba
15168c408de
hexdbd9dfb4

3688488884 has 6 divisors (see below), whose sum is σ = 6454855554. Its totient is φ = 1844244440.

The previous prime is 3688488883. The next prime is 3688488911. The reversal of 3688488884 is 4888848863.

It can be written as a sum of positive squares in only one way, i.e., 3572452900 + 116035984 = 59770^2 + 10772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3688488884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688488883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461061107 + ... + 461061114.

It is an arithmetic number, because the mean of its divisors is an integer number (1075809259).

Almost surely, 23688488884 is an apocalyptic number.

It is an amenable number.

3688488884 is a deficient number, since it is larger than the sum of its proper divisors (2766366670).

3688488884 is a wasteful number, since it uses less digits than its factorization.

3688488884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922122225 (or 922122223 counting only the distinct ones).

The product of its digits is 75497472, while the sum is 65.

The square root of 3688488884 is about 60732.9308036423. The cubic root of 3688488884 is about 1545.0747420055.

The spelling of 3688488884 in words is "three billion, six hundred eighty-eight million, four hundred eighty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 922122221 1844244442 3688488884