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472890630 = 23515763021
BaseRepresentation
bin11100001011111…
…011110100000110
31012221211022222210
4130023323310012
51432030000010
6114531404250
714501334612
oct3413736406
91187738883
10472890630
11222a30803
12112453686
1376c82a54
1446b3a342
152b7b0b20
hex1c2fbd06

472890630 has 16 divisors (see below), whose sum is σ = 1134937584. Its totient is φ = 126104160.

The previous prime is 472890629. The next prime is 472890631. The reversal of 472890630 is 36098274.

It is an interprime number because it is at equal distance from previous prime (472890629) and next prime (472890631).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472890631) 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, 7881481 + ... + 7881540.

It is an arithmetic number, because the mean of its divisors is an integer number (70933599).

Almost surely, 2472890630 is an apocalyptic number.

472890630 is an abundant number, since it is smaller than the sum of its proper divisors (662046954).

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

472890630 is a wasteful number, since it uses less digits than its factorization.

472890630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15763031.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 472890630 is about 21746.0486065860. The cubic root of 472890630 is about 779.0886957288.

The spelling of 472890630 in words is "four hundred seventy-two million, eight hundred ninety thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 15763021 31526042 47289063 78815105 94578126 157630210 236445315 472890630