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472648782 = 2378774797
BaseRepresentation
bin11100001011000…
…000110001001110
31012221101001020110
4130023000301032
51431444230112
6114522300450
714466306534
oct3413006116
91187331213
10472648782
11222886031
12112357726
1376bc9948
1446ab6154
152b76413c
hex1c2c0c4e

472648782 has 8 divisors (see below), whose sum is σ = 945297576. Its totient is φ = 157549592.

The previous prime is 472648763. The next prime is 472648783. The reversal of 472648782 is 287846274.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

472648782 is an admirable number.

It is a super-2 number, since 2×4726487822 = 446793742252167048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472648783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39387393 + ... + 39387404.

It is an arithmetic number, because the mean of its divisors is an integer number (118162197).

Almost surely, 2472648782 is an apocalyptic number.

472648782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

472648782 is a wasteful number, since it uses less digits than its factorization.

472648782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78774802.

The product of its digits is 1204224, while the sum is 48.

The square root of 472648782 is about 21740.4871610551. The cubic root of 472648782 is about 778.9558579850.

The spelling of 472648782 in words is "four hundred seventy-two million, six hundred forty-eight thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 78774797 157549594 236324391 472648782