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470244229 = 7213738217
BaseRepresentation
bin11100000001110…
…101101110000101
31012202211212210221
4130001311232011
51430340303404
6114354544341
714440003300
oct3401655605
91182755727
10470244229
112214934a4
121115980b1
1376567330
144664bb37
152b43b954
hex1c075b85

470244229 has 12 divisors (see below), whose sum is σ = 589097964. Its totient is φ = 372060864.

The previous prime is 470244209. The next prime is 470244241. The reversal of 470244229 is 922442074.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 178756900 + 291487329 = 13370^2 + 17073^2 .

It is not a de Polignac number, because 470244229 - 215 = 470211461 is a prime.

It is a super-2 number, since 2×4702442292 = 442259269815608882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 470244194 and 470244203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470244209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368472 + ... + 369745.

It is an arithmetic number, because the mean of its divisors is an integer number (49091497).

Almost surely, 2470244229 is an apocalyptic number.

470244229 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

470244229 is a deficient number, since it is larger than the sum of its proper divisors (118853735).

470244229 is a wasteful number, since it uses less digits than its factorization.

470244229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738244 (or 738237 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 470244229 is about 21685.1153789875. The cubic root of 470244229 is about 777.6326584435.

The spelling of 470244229 in words is "four hundred seventy million, two hundred forty-four thousand, two hundred twenty-nine".

Divisors: 1 7 13 49 91 637 738217 5167519 9596821 36172633 67177747 470244229