Search a number
-
+
273454540 = 22513672727
BaseRepresentation
bin10000010011001…
…001010111001100
3201001112221002221
4100103021113030
51030001021130
643045025124
76530216362
oct2023112714
9631487087
10273454540
111303a3497
12776b51a4
1344865328
1428463632
151901887a
hex104c95cc

273454540 has 12 divisors (see below), whose sum is σ = 574254576. Its totient is φ = 109381808.

The previous prime is 273454529. The next prime is 273454549. The reversal of 273454540 is 45454372.

It is a super-2 number, since 2×2734545402 = 149554770893223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 273454496 and 273454505.

It is not an unprimeable number, because it can be changed into a prime (273454549) 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, 6836344 + ... + 6836383.

It is an arithmetic number, because the mean of its divisors is an integer number (47854548).

Almost surely, 2273454540 is an apocalyptic number.

273454540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273454540 is an abundant number, since it is smaller than the sum of its proper divisors (300800036).

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

273454540 is a wasteful number, since it uses less digits than its factorization.

273454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672736 (or 13672734 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 273454540 is about 16536.4609272964. The cubic root of 273454540 is about 649.0752451332.

The spelling of 273454540 in words is "two hundred seventy-three million, four hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 13672727 27345454 54690908 68363635 136727270 273454540