Search a number
-
+
274841628 = 223234572179
BaseRepresentation
bin10000011000011…
…100000000011100
3201011011101211120
4100120130000130
51030324413003
643134450540
76545054355
oct2030340034
9634141746
10274841628
11131160646
1278063a50
1344c2c7a9
1428704d2c
15191de853
hex1061c01c

274841628 has 48 divisors (see below), whose sum is σ = 670951680. Its totient is φ = 87398784.

The previous prime is 274841617. The next prime is 274841641. The reversal of 274841628 is 826148472.

It is a self number, because there is not a number n which added to its sum of digits gives 274841628.

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, 125043 + ... + 127221.

It is an arithmetic number, because the mean of its divisors is an integer number (13978160).

Almost surely, 2274841628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274841628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335475840).

274841628 is an abundant number, since it is smaller than the sum of its proper divisors (396110052).

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

274841628 is a wasteful number, since it uses less digits than its factorization.

274841628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 274841628 is about 16578.3481686204. The cubic root of 274841628 is about 650.1708647457.

The spelling of 274841628 in words is "two hundred seventy-four million, eight hundred forty-one thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 457 914 1371 1828 2179 2742 4358 5484 6537 8716 10511 13074 21022 26148 31533 42044 50117 63066 100234 126132 150351 200468 300702 601404 995803 1991606 2987409 3983212 5974818 11949636 22903469 45806938 68710407 91613876 137420814 274841628