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454442013 = 324759131139
BaseRepresentation
bin11011000101100…
…011110000011101
31011200010001020200
4123011203300131
51412314121023
6113032134113
714155456554
oct3305436035
91150101220
10454442013
11213580013
12108237339
13731c37cc
14444d6d9b
1529d69743
hex1b163c1d

454442013 has 48 divisors (see below), whose sum is σ = 691891200. Its totient is φ = 287183520.

The previous prime is 454442003. The next prime is 454442041. The reversal of 454442013 is 310244454.

It is a happy number.

454442013 is a `hidden beast` number, since 454 + 4 + 4 + 201 + 3 = 666.

It is not a de Polignac number, because 454442013 - 224 = 437664797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454442003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3269298 + ... + 3269436.

It is an arithmetic number, because the mean of its divisors is an integer number (14414400).

Almost surely, 2454442013 is an apocalyptic number.

It is an amenable number.

454442013 is a deficient number, since it is larger than the sum of its proper divisors (237449187).

454442013 is a wasteful number, since it uses less digits than its factorization.

454442013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 454442013 is about 21317.6455782528. The cubic root of 454442013 is about 768.8226302982.

Adding to 454442013 its reverse (310244454), we get a palindrome (764686467).

The spelling of 454442013 in words is "four hundred fifty-four million, four hundred forty-two thousand, thirteen".

Divisors: 1 3 9 47 59 131 139 141 177 393 417 423 531 1179 1251 2773 6157 6533 7729 8201 8319 18209 18471 19599 23187 24603 24957 54627 55413 58797 69561 73809 163881 363263 385447 855823 1074331 1089789 1156341 2567469 3222993 3269367 3469023 7702407 9668979 50493557 151480671 454442013