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319044312 = 23332931253
BaseRepresentation
bin10011000001000…
…011101011011000
3211020100010112000
4103001003223120
51123133404222
651354121000
710622555226
oct2301035330
9736303460
10319044312
11154101794
128aa20160
1351138222
143052db16
151d0219ac
hex13043ad8

319044312 has 192 divisors, whose sum is σ = 965196000. Its totient is φ = 97493760.

The previous prime is 319044277. The next prime is 319044317. The reversal of 319044312 is 213440913.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319044317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6019678 + ... + 6019730.

Almost surely, 2319044312 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 319044312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482598000).

319044312 is an abundant number, since it is smaller than the sum of its proper divisors (646151688).

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

319044312 is a wasteful number, since it uses less digits than its factorization.

319044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 319044312 is about 17861.8115542629. The cubic root of 319044312 is about 683.3087815622.

The spelling of 319044312 in words is "three hundred nineteen million, forty-four thousand, three hundred twelve".