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234388272 = 24331157519
BaseRepresentation
bin11011111100001…
…11101100110000
3121100001011021010
431332013230300
5440000411042
635131430520
75544160506
oct1576075460
9540034233
10234388272
11110340418
12665b5440
13397377b1
14231b4676
151589d59c
hexdf87b30

234388272 has 40 divisors (see below), whose sum is σ = 625039360. Its totient is φ = 75608640.

The previous prime is 234388247. The next prime is 234388277. The reversal of 234388272 is 272883432.

It is a super-2 number, since 2×2343882722 = 109875724102291968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234388272.

It is not an unprimeable number, because it can be changed into a prime (234388277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77272 + ... + 80247.

It is an arithmetic number, because the mean of its divisors is an integer number (15625984).

Almost surely, 2234388272 is an apocalyptic number.

It is an amenable number.

234388272 is an abundant number, since it is smaller than the sum of its proper divisors (390651088).

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

234388272 is a wasteful number, since it uses less digits than its factorization.

234388272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157561 (or 157555 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 234388272 is about 15309.7443479635. The cubic root of 234388272 is about 616.5646562533.

The spelling of 234388272 in words is "two hundred thirty-four million, three hundred eighty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 157519 315038 472557 630076 945114 1260152 1890228 2520304 3780456 4883089 7560912 9766178 14649267 19532356 29298534 39064712 58597068 78129424 117194136 234388272