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319340 = 22572281
BaseRepresentation
bin1001101111101101100
3121020001102
41031331230
540204330
610502232
72500010
oct1157554
9536042
10319340
111a8a1a
12134978
13b2478
1484540
1564945
hex4df6c

319340 has 24 divisors (see below), whose sum is σ = 766752. Its totient is φ = 109440.

The previous prime is 319339. The next prime is 319343. The reversal of 319340 is 43913.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (319343) 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, 1001 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (31948).

2319340 is an apocalyptic number.

It is an amenable number.

319340 is an abundant number, since it is smaller than the sum of its proper divisors (447412).

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

319340 is a wasteful number, since it uses less digits than its factorization.

319340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 319340 is about 565.1017607476. The cubic root of 319340 is about 68.3519811622.

The spelling of 319340 in words is "three hundred nineteen thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2281 4562 9124 11405 15967 22810 31934 45620 63868 79835 159670 319340