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623467242 = 23237225301
BaseRepresentation
bin100101001010010…
…101101011101010
31121110011102021100
4211022111223222
52234101422432
6141511022230
721310245516
oct4512255352
91543142240
10623467242
1129aa27192
1215496a976
139c224238
145cb35146
1539b0607c
hex25295aea

623467242 has 36 divisors (see below), whose sum is σ = 1388396646. Its totient is φ = 202197600.

The previous prime is 623467223. The next prime is 623467331. The reversal of 623467242 is 242764326.

623467242 is a `hidden beast` number, since 623 + 4 + 6 + 7 + 24 + 2 = 666.

623467242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 612117081 + 11350161 = 24741^2 + 3369^2 .

It is a super-2 number, since 2×6234672422 = 777422803694173128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623467197 and 623467206.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11992 + ... + 37292.

Almost surely, 2623467242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623467242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694198323).

623467242 is an abundant number, since it is smaller than the sum of its proper divisors (764929404).

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

623467242 is a wasteful number, since it uses less digits than its factorization.

623467242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25383 (or 25343 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 623467242 is about 24969.3260221416. The cubic root of 623467242 is about 854.2884733889.

The spelling of 623467242 in words is "six hundred twenty-three million, four hundred sixty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 1369 2738 4107 8214 12321 24642 25301 50602 75903 151806 227709 455418 936137 1872274 2808411 5616822 8425233 16850466 34637069 69274138 103911207 207822414 311733621 623467242