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274040 = 235131731
BaseRepresentation
bin1000010111001111000
3111220220122
41002321320
532232130
65512412
72220644
oct1027170
9456818
10274040
11177988
12112708
1397970
1471c24
15562e5
hex42e78

274040 has 64 divisors (see below), whose sum is σ = 725760. Its totient is φ = 92160.

The previous prime is 274033. The next prime is 274061. The reversal of 274040 is 40472.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8825 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2274040 is an apocalyptic number.

274040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362880).

274040 is an abundant number, since it is smaller than the sum of its proper divisors (451720).

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

274040 is a wasteful number, since it uses less digits than its factorization.

274040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 274040 is about 523.4882997737. The cubic root of 274040 is about 64.9538133430.

The spelling of 274040 in words is "two hundred seventy-four thousand, forty", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 13 17 20 26 31 34 40 52 62 65 68 85 104 124 130 136 155 170 221 248 260 310 340 403 442 520 527 620 680 806 884 1054 1105 1240 1612 1768 2015 2108 2210 2635 3224 4030 4216 4420 5270 6851 8060 8840 10540 13702 16120 21080 27404 34255 54808 68510 137020 274040