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316420203 = 3112871681
BaseRepresentation
bin10010110111000…
…011000001101011
3211001101210220210
4102313003001223
51122000421303
651221552203
710561345611
oct2267030153
9731353823
10316420203
1115267a200
1289b75663
13507299b8
14300496b1
151cba4203
hex12dc306b

316420203 has 12 divisors (see below), whose sum is σ = 463734824. Its totient is φ = 191769600.

The previous prime is 316420183. The next prime is 316420211. The reversal of 316420203 is 302024613.

It is a happy number.

It is not a de Polignac number, because 316420203 - 222 = 312225899 is a prime.

It is a super-2 number, since 2×3164202032 = 200243489733122418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316420203.

It is not an unprimeable number, because it can be changed into a prime (316420253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435478 + ... + 436203.

Almost surely, 2316420203 is an apocalyptic number.

316420203 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

316420203 is a deficient number, since it is larger than the sum of its proper divisors (147314621).

316420203 is a wasteful number, since it uses less digits than its factorization.

316420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871706 (or 871695 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 316420203 is about 17788.2040408806. The cubic root of 316420203 is about 681.4302386719.

Adding to 316420203 its reverse (302024613), we get a palindrome (618444816).

The spelling of 316420203 in words is "three hundred sixteen million, four hundred twenty thousand, two hundred three".

Divisors: 1 3 11 33 121 363 871681 2615043 9588491 28765473 105473401 316420203