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147224 = 23711239
BaseRepresentation
bin100011111100011000
321110221202
4203330120
514202344
63053332
71152140
oct437430
9243852
10147224
11a0680
1271248
135201c
143b920
152d94e
hex23f18

147224 has 32 divisors (see below), whose sum is σ = 345600. Its totient is φ = 57120.

The previous prime is 147221. The next prime is 147227. The reversal of 147224 is 422741.

147224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (147221) and next prime (147227).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 147196 and 147205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147221) 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, 497 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2147224 is an apocalyptic number.

147224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800).

147224 is an abundant number, since it is smaller than the sum of its proper divisors (198376).

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

147224 is a wasteful number, since it uses less digits than its factorization.

147224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 147224 is about 383.6977977523. The cubic root of 147224 is about 52.8031142944.

Adding to 147224 its reverse (422741), we get a palindrome (569965).

The spelling of 147224 in words is "one hundred forty-seven thousand, two hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 239 308 478 616 956 1673 1912 2629 3346 5258 6692 10516 13384 18403 21032 36806 73612 147224