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2134470 = 235132421
BaseRepresentation
bin1000001001000111000110
311000102221110
420021013012
51021300340
6113425450
724066642
oct10110706
94012843
102134470
111228728
1286b286
13599700
143d7c22
152c2680
hex2091c6

2134470 has 48 divisors (see below), whose sum is σ = 5560272. Its totient is φ = 524160.

The previous prime is 2134463. The next prime is 2134471. The reversal of 2134470 is 744312.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4860 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (115839).

22134470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780136).

2134470 is an abundant number, since it is smaller than the sum of its proper divisors (3425802).

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

2134470 is a wasteful number, since it uses less digits than its factorization.

2134470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2134470 is about 1460.9825460970. The cubic root of 2134470 is about 128.7547772130.

Adding to 2134470 its reverse (744312), we get a palindrome (2878782).

The spelling of 2134470 in words is "two million, one hundred thirty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 421 507 842 845 1014 1263 1690 2105 2526 2535 4210 5070 5473 6315 10946 12630 16419 27365 32838 54730 71149 82095 142298 164190 213447 355745 426894 711490 1067235 2134470