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152216406 = 2328456467
BaseRepresentation
bin10010001001010…
…10001101010110
3101121102101122200
421010222031112
5302431411111
623034305330
73525550416
oct1104521526
9347371580
10152216406
1178a16491
1242b88246
13256c69a4
1416304646
15d56b256
hex912a356

152216406 has 12 divisors (see below), whose sum is σ = 329802252. Its totient is φ = 50738796.

The previous prime is 152216399. The next prime is 152216413. The reversal of 152216406 is 604612251.

152216406 is a `hidden beast` number, since 15 + 2 + 2 + 1 + 640 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (152216399) and next prime (152216413).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 152216406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4228216 + ... + 4228251.

It is an arithmetic number, because the mean of its divisors is an integer number (27483521).

Almost surely, 2152216406 is an apocalyptic number.

152216406 is an abundant number, since it is smaller than the sum of its proper divisors (177585846).

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

152216406 is a wasteful number, since it uses less digits than its factorization.

152216406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456475 (or 8456472 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 152216406 is about 12337.6013065750. The cubic root of 152216406 is about 533.9334807518.

Adding to 152216406 its reverse (604612251), we get a palindrome (756828657).

The spelling of 152216406 in words is "one hundred fifty-two million, two hundred sixteen thousand, four hundred six".

Divisors: 1 2 3 6 9 18 8456467 16912934 25369401 50738802 76108203 152216406