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3897489424724 = 227521619431617
BaseRepresentation
bin111000101101110100011…
…110010000000101010100
3111210121002201221220211222
4320231310132100011110
51002324024243042344
612142252032345512
7551404264332140
oct70556436200524
914717081856758
103897489424724
111272a0919a175
1252b4393a5298
132236bb1261bc
14d68d4ab8220
156b5b16565ee
hex38b74790154

3897489424724 has 48 divisors (see below), whose sum is σ = 7822575573120. Its totient is φ = 1664449413120.

The previous prime is 3897489424709. The next prime is 3897489424733. The reversal of 3897489424724 is 4274249847983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8814164 + ... + 9245780.

It is an arithmetic number, because the mean of its divisors is an integer number (162970324440).

Almost surely, 23897489424724 is an apocalyptic number.

It is an amenable number.

3897489424724 is an abundant number, since it is smaller than the sum of its proper divisors (3925086148396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897489424724 is a wasteful number, since it uses less digits than its factorization.

3897489424724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432768 (or 432766 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 71.

The spelling of 3897489424724 in words is "three trillion, eight hundred ninety-seven billion, four hundred eighty-nine million, four hundred twenty-four thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 521 619 1042 1238 2084 2476 3647 4333 7294 8666 14588 17332 322499 431617 644998 863234 1289996 1726468 2257493 3021319 4514986 6042638 9029972 12085276 224872457 267170923 449744914 534341846 899489828 1068683692 1574107199 1870196461 3148214398 3740392922 6296428796 7480785844 139196050883 278392101766 556784203532 974372356181 1948744712362 3897489424724