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3134840 = 235109719
BaseRepresentation
bin1011111101010101111000
312220021012012
423331111320
51300303330
6151105052
735434322
oct13752570
95807165
103134840
111851285
121072188
13859b47
145b8612
1541dc95
hex2fd578

3134840 has 32 divisors (see below), whose sum is σ = 7128000. Its totient is φ = 1240704.

The previous prime is 3134837. The next prime is 3134843. The reversal of 3134840 is 484313.

It is an interprime number because it is at equal distance from previous prime (3134837) and next prime (3134843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3134843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 4719.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

Almost surely, 23134840 is an apocalyptic number.

It is an amenable number.

3134840 is an abundant number, since it is smaller than the sum of its proper divisors (3993160).

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

3134840 is a wasteful number, since it uses less digits than its factorization.

3134840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3134840 is about 1770.5479377865. The cubic root of 3134840 is about 146.3541785790.

The spelling of 3134840 in words is "three million, one hundred thirty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 719 872 1090 1438 2180 2876 3595 4360 5752 7190 14380 28760 78371 156742 313484 391855 626968 783710 1567420 3134840