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272313224 = 23211161323
BaseRepresentation
bin10000001110110…
…010101110001000
3200222101221111222
4100032302232020
51024203010344
643004341212
76514424051
oct2016625610
9628357458
10272313224
1112a793a57
1277244808
13445559b1
1428247728
1518d905ee
hex103b2b88

272313224 has 16 divisors (see below), whose sum is σ = 513010320. Its totient is φ = 135510480.

The previous prime is 272313221. The next prime is 272313317. The reversal of 272313224 is 422313272.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 272313193 and 272313202.

It is not an unprimeable number, because it can be changed into a prime (272313221) 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, 78974 + ... + 82349.

It is an arithmetic number, because the mean of its divisors is an integer number (32063145).

Almost surely, 2272313224 is an apocalyptic number.

It is an amenable number.

272313224 is a deficient number, since it is larger than the sum of its proper divisors (240697096).

272313224 is a wasteful number, since it uses less digits than its factorization.

272313224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161540 (or 161536 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 272313224 is about 16501.9157675707. The cubic root of 272313224 is about 648.1709717533.

Adding to 272313224 its reverse (422313272), we get a palindrome (694626496).

The spelling of 272313224 in words is "two hundred seventy-two million, three hundred thirteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 211 422 844 1688 161323 322646 645292 1290584 34039153 68078306 136156612 272313224