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2134720 = 2657953
BaseRepresentation
bin1000001001001011000000
311000110021201
420021023000
51021302340
6113430544
724100450
oct10111300
94013251
102134720
111228935
1286b454
13599863
143d7d60
152c279a
hex2092c0

2134720 has 56 divisors (see below), whose sum is σ = 5815584. Its totient is φ = 731136.

The previous prime is 2134709. The next prime is 2134721. The reversal of 2134720 is 274312.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (2134721) 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, 1764 + ... + 2716.

22134720 is an apocalyptic number.

2134720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907792).

2134720 is an abundant number, since it is smaller than the sum of its proper divisors (3680864).

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

2134720 is an equidigital number, since it uses as much as digits as its factorization.

2134720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2134720 is about 1461.0681024511. The cubic root of 2134720 is about 128.7598038219.

The spelling of 2134720 in words is "two million, one hundred thirty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 953 1120 1906 2240 3812 4765 6671 7624 9530 13342 15248 19060 26684 30496 33355 38120 53368 60992 66710 76240 106736 133420 152480 213472 266840 304960 426944 533680 1067360 2134720