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745218214 = 21341977207
BaseRepresentation
bin101100011010110…
…010000010100110
31220221021000012121
4230122302002212
53011233440324
6201540340154
724316151566
oct5432620246
91827230177
10745218214
11352724524
121896a465a
13bb512130
1470d88da6
15456555e4
hex2c6b20a6

745218214 has 32 divisors (see below), whose sum is σ = 1246061376. Its totient is φ = 332052480.

The previous prime is 745218197. The next prime is 745218263. The reversal of 745218214 is 412812547.

It is a super-3 number, since 3×7452182143 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745218214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99799 + ... + 107005.

It is an arithmetic number, because the mean of its divisors is an integer number (38939418).

Almost surely, 2745218214 is an apocalyptic number.

745218214 is a deficient number, since it is larger than the sum of its proper divisors (500843162).

745218214 is a wasteful number, since it uses less digits than its factorization.

745218214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360.

The product of its digits is 17920, while the sum is 34.

The square root of 745218214 is about 27298.6852064344. The cubic root of 745218214 is about 906.6252711120.

The spelling of 745218214 in words is "seven hundred forty-five million, two hundred eighteen thousand, two hundred fourteen".

Divisors: 1 2 13 26 41 82 97 194 533 1066 1261 2522 3977 7207 7954 14414 51701 93691 103402 187382 295487 590974 699079 1398158 3841331 7682662 9088027 18176054 28662239 57324478 372609107 745218214