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688361316 = 223269213247
BaseRepresentation
bin101001000001111…
…000111101100100
31202222021101012120
4221001320331210
52402210030231
6152145545540
723025655206
oct5101707544
91688241176
10688361316
11323620055
121726452b0
13ac7c59b6
14675c8776
1540673d96
hex29078f64

688361316 has 24 divisors (see below), whose sum is σ = 1612154880. Its totient is φ = 228599712.

The previous prime is 688361299. The next prime is 688361339. The reversal of 688361316 is 613163886.

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, 103396 + ... + 109851.

It is an arithmetic number, because the mean of its divisors is an integer number (67173120).

Almost surely, 2688361316 is an apocalyptic number.

It is an amenable number.

688361316 is an abundant number, since it is smaller than the sum of its proper divisors (923793564).

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

688361316 is a wasteful number, since it uses less digits than its factorization.

688361316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213523 (or 213521 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 688361316 is about 26236.6407148476. The cubic root of 688361316 is about 882.9555052316.

The spelling of 688361316 in words is "six hundred eighty-eight million, three hundred sixty-one thousand, three hundred sixteen".