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20140370 = 2561137241
BaseRepresentation
bin100110011010…
…1000101010010
31101220020101122
41030311011102
520123442440
61555402242
7333122165
oct114650522
941806348
1020140370
1110406838
1268b3382
1342322a3
142963adc
151b7c7b5
hex1335152

20140370 has 32 divisors (see below), whose sum is σ = 37269936. Its totient is φ = 7833600.

The previous prime is 20140363. The next prime is 20140411. The reversal of 20140370 is 7304102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6205081 + 13935289 = 2491^2 + 3733^2 .

It is an unprimeable number.

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, 83450 + ... + 83690.

Almost surely, 220140370 is an apocalyptic number.

20140370 is a deficient number, since it is larger than the sum of its proper divisors (17129566).

20140370 is a wasteful number, since it uses less digits than its factorization.

20140370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20140370 is about 4487.8023575019. The cubic root of 20140370 is about 272.0753197554.

Adding to 20140370 its reverse (7304102), we get a palindrome (27444472).

The spelling of 20140370 in words is "twenty million, one hundred forty thousand, three hundred seventy".

Divisors: 1 2 5 10 61 122 137 241 274 305 482 610 685 1205 1370 2410 8357 14701 16714 29402 33017 41785 66034 73505 83570 147010 165085 330170 2014037 4028074 10070185 20140370