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531244201404 = 223724122036013
BaseRepresentation
bin1111011101100001001…
…11110011010110111100
31212210020022200121002010
413232300213303112330
532200442003421104
61044014502531220
753244504130500
oct7566047632674
91783208617063
10531244201404
11195332558454
1286b60736b10
133b133212307
141b9d89c6300
15dc43ac9489
hex7bb09f35bc

531244201404 has 72 divisors (see below), whose sum is σ = 1477118090448. Its totient is φ = 148082000640.

The previous prime is 531244201403. The next prime is 531244201429. The reversal of 531244201404 is 404102442135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531244201403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10993899 + ... + 11042114.

It is an arithmetic number, because the mean of its divisors is an integer number (20515529034).

Almost surely, 2531244201404 is an apocalyptic number.

It is an amenable number.

531244201404 is an abundant number, since it is smaller than the sum of its proper divisors (945873889044).

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

531244201404 is a wasteful number, since it uses less digits than its factorization.

531244201404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22036075 (or 22036066 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 531244201404 its reverse (404102442135), we get a palindrome (935346643539).

The spelling of 531244201404 in words is "five hundred thirty-one billion, two hundred forty-four million, two hundred one thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 41 42 49 82 84 98 123 147 164 196 246 287 294 492 574 588 861 1148 1722 2009 3444 4018 6027 8036 12054 24108 22036013 44072026 66108039 88144052 132216078 154252091 264432156 308504182 462756273 617008364 903476533 925512546 1079764637 1806953066 1851025092 2159529274 2710429599 3239293911 3613906132 4319058548 5420859198 6324335731 6478587822 10841718396 12648671462 12957175644 18973007193 25297342924 37946014386 44270350117 75892028772 88540700234 132811050351 177081400468 265622100702 531244201404