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472236340 = 22535366889
BaseRepresentation
bin11100001001011…
…100000100110100
31012220121002110211
4130021130010310
51431343030330
6114505355204
714462641222
oct3411340464
91186532424
10472236340
11222624174
12112198b04
1376ab3cb4
1446a09b12
152b6d1d2a
hex1c25c134

472236340 has 24 divisors (see below), whose sum is σ = 994520520. Its totient is φ = 188356608.

The previous prime is 472236337. The next prime is 472236341. The reversal of 472236340 is 43632274.

It can be written as a sum of positive squares in 4 ways, for example, as 25928464 + 446307876 = 5092^2 + 21126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472236341) 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, 26385 + ... + 40504.

It is an arithmetic number, because the mean of its divisors is an integer number (41438355).

Almost surely, 2472236340 is an apocalyptic number.

It is an amenable number.

472236340 is an abundant number, since it is smaller than the sum of its proper divisors (522284180).

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

472236340 is a wasteful number, since it uses less digits than its factorization.

472236340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67251 (or 67249 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 472236340 is about 21730.9995168193. Note that the first 3 decimals coincide. The cubic root of 472236340 is about 778.7292149896.

The spelling of 472236340 in words is "four hundred seventy-two million, two hundred thirty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 3530 7060 66889 133778 267556 334445 668890 1337780 23611817 47223634 94447268 118059085 236118170 472236340