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2009394 = 233127293
BaseRepresentation
bin111101010100100110010
310210002101000
413222210302
51003300034
6111022430
723036202
oct7524462
93702330
102009394
111152762
1280aa16
135547ba
143a4402
1529a599
hex1ea932

2009394 has 32 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 662256.

The previous prime is 2009393. The next prime is 2009407. The reversal of 2009394 is 4939002.

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

It is not an unprimeable number, because it can be changed into a prime (2009393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6712 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

22009394 is an apocalyptic number.

2009394 is an abundant number, since it is smaller than the sum of its proper divisors (2506446).

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

2009394 is a wasteful number, since it uses less digits than its factorization.

2009394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2009394 is about 1417.5309520430. The cubic root of 2009394 is about 126.1890585860.

The spelling of 2009394 in words is "two million, nine thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 127 254 293 381 586 762 879 1143 1758 2286 2637 3429 5274 6858 7911 15822 37211 74422 111633 223266 334899 669798 1004697 2009394