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3421089 = 33723787
BaseRepresentation
bin1101000011001110100001
320102210212000
431003032201
51333433324
6201154213
741036010
oct15031641
96383760
103421089
111a27351
12118b969
1392a219
14650a77
154789c9
hex3433a1

3421089 has 32 divisors (see below), whose sum is σ = 6051840. Its totient is φ = 1867536.

The previous prime is 3421079. The next prime is 3421091. The reversal of 3421089 is 9801243.

It is not a de Polignac number, because 3421089 - 29 = 3420577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3421039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3954 + ... + 4740.

It is an arithmetic number, because the mean of its divisors is an integer number (189120).

Almost surely, 23421089 is an apocalyptic number.

It is an amenable number.

3421089 is a deficient number, since it is larger than the sum of its proper divisors (2630751).

3421089 is a wasteful number, since it uses less digits than its factorization.

3421089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3421089 is about 1849.6186093354. The cubic root of 3421089 is about 150.6797152620.

It can be divided in two parts, 342 and 1089, that added together give a triangular number (1431 = T53).

The spelling of 3421089 in words is "three million, four hundred twenty-one thousand, eighty-nine".

Divisors: 1 3 7 9 21 23 27 63 69 161 189 207 483 621 787 1449 2361 4347 5509 7083 16527 18101 21249 49581 54303 126707 148743 162909 380121 488727 1140363 3421089