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214049451 = 37113171421
BaseRepresentation
bin11001100001000…
…10001010101011
3112220202211122110
430300202022223
5414244040301
633123453403
75206250610
oct1460421253
9486684573
10214049451
11aa909580
125b827263
13354660a5
14205dc507
1513bd20d6
hexcc222ab

214049451 has 64 divisors (see below), whose sum is σ = 373358592. Its totient is φ = 105840000.

The previous prime is 214049443. The next prime is 214049461. The reversal of 214049451 is 154940412.

It is not a de Polignac number, because 214049451 - 23 = 214049443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214049441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 508221 + ... + 508641.

It is an arithmetic number, because the mean of its divisors is an integer number (5833728).

Almost surely, 2214049451 is an apocalyptic number.

214049451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

214049451 is a deficient number, since it is larger than the sum of its proper divisors (159309141).

214049451 is a wasteful number, since it uses less digits than its factorization.

214049451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 214049451 is about 14630.4289410803. The cubic root of 214049451 is about 598.1884722274.

Adding to 214049451 its reverse (154940412), we get a palindrome (368989863).

The spelling of 214049451 in words is "two hundred fourteen million, forty-nine thousand, four hundred fifty-one".

Divisors: 1 3 7 11 21 31 33 71 77 93 213 217 231 341 421 497 651 781 1023 1263 1491 2201 2343 2387 2947 4631 5467 6603 7161 8841 13051 13893 15407 16401 24211 29891 32417 39153 46221 72633 89673 91357 97251 143561 169477 209237 274071 328801 430683 508431 627711 926621 986403 1004927 2301607 2779863 3014781 6486347 6904821 10192831 19459041 30578493 71349817 214049451