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316150421 = 674718663
BaseRepresentation
bin10010110110000…
…001001010010101
3211000220002211212
4102312001022111
51121413303141
651212111205
710556143226
oct2266011225
9730802755
10316150421
11152505544
1289a65505
1350663c72
142ddb924d
151cb4e2eb
hex12d81295

316150421 has 4 divisors (see below), whose sum is σ = 320869152. Its totient is φ = 311431692.

The previous prime is 316150409. The next prime is 316150427. The reversal of 316150421 is 124051613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316150421 - 214 = 316134037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316150427) 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, 2359265 + ... + 2359398.

It is an arithmetic number, because the mean of its divisors is an integer number (80217288).

Almost surely, 2316150421 is an apocalyptic number.

It is an amenable number.

316150421 is a deficient number, since it is larger than the sum of its proper divisors (4718731).

316150421 is an equidigital number, since it uses as much as digits as its factorization.

316150421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718730.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 316150421 is about 17780.6192524333. The cubic root of 316150421 is about 681.2365195997.

The spelling of 316150421 in words is "three hundred sixteen million, one hundred fifty thousand, four hundred twenty-one".

Divisors: 1 67 4718663 316150421