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3134540 = 225156727
BaseRepresentation
bin1011111101010001001100
312220020210002
423331101030
51300301130
6151103432
735433413
oct13752114
95806702
103134540
111851032
121071b78
13859976
145b847a
1541db45
hex2fd44c

3134540 has 12 divisors (see below), whose sum is σ = 6582576. Its totient is φ = 1253808.

The previous prime is 3134519. The next prime is 3134543. The reversal of 3134540 is 454313.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 156727 = 3134540 / (3 + 1 + 3 + 4 + 5 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (3134543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78344 + ... + 78383.

It is an arithmetic number, because the mean of its divisors is an integer number (548548).

Almost surely, 23134540 is an apocalyptic number.

It is an amenable number.

3134540 is an abundant number, since it is smaller than the sum of its proper divisors (3448036).

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

3134540 is a wasteful number, since it uses less digits than its factorization.

3134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156736 (or 156734 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3134540 is about 1770.4632162234. The cubic root of 3134540 is about 146.3495097970.

Adding to 3134540 its reverse (454313), we get a palindrome (3588853).

The spelling of 3134540 in words is "three million, one hundred thirty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 156727 313454 626908 783635 1567270 3134540