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274140 = 223251523
BaseRepresentation
bin1000010111011011100
3111221001100
41002323130
532233030
65513100
72221146
oct1027334
9457040
10274140
11177a69
12112790
1397a19
1471c96
1556360
hex42edc

274140 has 36 divisors (see below), whose sum is σ = 832104. Its totient is φ = 73056.

The previous prime is 274139. The next prime is 274147. The reversal of 274140 is 41472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (23114).

2274140 is an apocalyptic number.

274140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274140 is an abundant number, since it is smaller than the sum of its proper divisors (557964).

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

274140 is a wasteful number, since it uses less digits than its factorization.

274140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 274140 is about 523.5838041804. The cubic root of 274140 is about 64.9617131526.

It can be divided in two parts, 274 and 140, that added together give a palindrome (414).

The spelling of 274140 in words is "two hundred seventy-four thousand, one hundred forty", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1523 3046 4569 6092 7615 9138 13707 15230 18276 22845 27414 30460 45690 54828 68535 91380 137070 274140