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472042386 = 232232235113
BaseRepresentation
bin11100001000101…
…100101110010010
31012220020020102100
4130020230232102
51431320324021
6114501301230
714461202604
oct3410545622
91186206370
10472042386
11222501482
12112104816
1376a4692a
1446999174
152b694626
hex1c22cb92

472042386 has 48 divisors (see below), whose sum is σ = 1072221696. Its totient is φ = 149802048.

The previous prime is 472042381. The next prime is 472042399. The reversal of 472042386 is 683240274.

It is a self number, because there is not a number n which added to its sum of digits gives 472042386.

It is not an unprimeable number, because it can be changed into a prime (472042381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89766 + ... + 94878.

It is an arithmetic number, because the mean of its divisors is an integer number (22337952).

Almost surely, 2472042386 is an apocalyptic number.

472042386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 472042386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536110848).

472042386 is an abundant number, since it is smaller than the sum of its proper divisors (600179310).

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

472042386 is a wasteful number, since it uses less digits than its factorization.

472042386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367 (or 5364 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 472042386 is about 21726.5364473954. The cubic root of 472042386 is about 778.6225887689.

The spelling of 472042386 in words is "four hundred seventy-two million, forty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 223 414 446 669 1338 2007 4014 5113 5129 10226 10258 15339 15387 30678 30774 46017 46161 92034 92322 117599 235198 352797 705594 1058391 1140199 2116782 2280398 3420597 6841194 10261791 20523582 26224577 52449154 78673731 157347462 236021193 472042386