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2129346 = 232118297
BaseRepresentation
bin1000000111110111000010
311000011220200
420013313002
51021114341
6113350030
724046002
oct10076702
94004820
102129346
11122489a
12868316
1359728b
143d6002
152c0db6
hex207dc2

2129346 has 12 divisors (see below), whose sum is σ = 4613622. Its totient is φ = 709776.

The previous prime is 2129333. The next prime is 2129353. The reversal of 2129346 is 6439212.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 12321 = 1455^2 + 111^2 .

It is a super-2 number, since 2×21293462 = 9068228775432, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59131 + ... + 59166.

22129346 is an apocalyptic number.

2129346 is an abundant number, since it is smaller than the sum of its proper divisors (2484276).

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

2129346 is a wasteful number, since it uses less digits than its factorization.

2129346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118305 (or 118302 counting only the distinct ones).

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

The square root of 2129346 is about 1459.2278780232. The cubic root of 2129346 is about 128.6516652607.

The spelling of 2129346 in words is "two million, one hundred twenty-nine thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 118297 236594 354891 709782 1064673 2129346