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2134489 = 75127
BaseRepresentation
bin1000001001000111011001
311000102222011
420021013121
51021300424
6113425521
724100000
oct10110731
94012864
102134489
111228745
1286b2a1
13599716
143d7c37
152c2694
hex2091d9

2134489 has 12 divisors (see below), whose sum is σ = 2509824. Its totient is φ = 1815156.

The previous prime is 2134471. The next prime is 2134507. The reversal of 2134489 is 9844312.

It is an interprime number because it is at equal distance from previous prime (2134471) and next prime (2134507).

It is not a de Polignac number, because 2134489 - 213 = 2126297 is a prime.

It is a super-2 number, since 2×21344892 = 9112086582242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 213 + 1 + 313 + 4 + 42 + 83 + 96 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16744 + ... + 16870.

It is an arithmetic number, because the mean of its divisors is an integer number (209152).

22134489 is an apocalyptic number.

It is an amenable number.

2134489 is a deficient number, since it is larger than the sum of its proper divisors (375335).

2134489 is an frugal number, since it uses more digits than its factorization.

2134489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 134 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2134489 is about 1460.9890485558. The cubic root of 2134489 is about 128.7551592491.

The spelling of 2134489 in words is "two million, one hundred thirty-four thousand, four hundred eighty-nine".

Divisors: 1 7 49 127 343 889 2401 6223 16807 43561 304927 2134489