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472287386 = 21496772341
BaseRepresentation
bin11100001001101…
…000100010011010
31012220200200111102
4130021220202122
51431401144021
6114510431402
714463243104
oct3411504232
91186620442
10472287386
1122265955a
12112202562
1376b012bc
1446a20574
152b6e200b
hex1c26889a

472287386 has 16 divisors (see below), whose sum is σ = 714544200. Its totient is φ = 234112320.

The previous prime is 472287371. The next prime is 472287397. The reversal of 472287386 is 683782274.

It can be written as a sum of positive squares in 4 ways, for example, as 457318225 + 14969161 = 21385^2 + 3869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 472287386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200576 + ... + 202916.

Almost surely, 2472287386 is an apocalyptic number.

472287386 is a deficient number, since it is larger than the sum of its proper divisors (242256814).

472287386 is a wasteful number, since it uses less digits than its factorization.

472287386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its digits is 903168, while the sum is 47.

The square root of 472287386 is about 21732.1739823700. The cubic root of 472287386 is about 778.7572726773.

The spelling of 472287386 in words is "four hundred seventy-two million, two hundred eighty-seven thousand, three hundred eighty-six".

Divisors: 1 2 149 298 677 1354 2341 4682 100873 201746 348809 697618 1584857 3169714 236143693 472287386