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40485432 = 23313172449
BaseRepresentation
bin1001101001110…
…0001000111000
32211011212120110
42122130020320
540331013212
64003424320
71001056221
oct232341070
984155513
1040485432
1120942339
12116850a0
1385067a0
14553c248
15384aa3c
hex269c238

40485432 has 96 divisors (see below), whose sum is σ = 116046000. Its totient is φ = 11698176.

The previous prime is 40485413. The next prime is 40485439. The reversal of 40485432 is 23458404.

It is a self number, because there is not a number n which added to its sum of digits gives 40485432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40485439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89944 + ... + 90392.

Almost surely, 240485432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40485432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58023000).

40485432 is an abundant number, since it is smaller than the sum of its proper divisors (75560568).

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

40485432 is a wasteful number, since it uses less digits than its factorization.

40485432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 484 counting only the distinct ones).

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

The square root of 40485432 is about 6362.8163575574. The cubic root of 40485432 is about 343.3730920327.

The spelling of 40485432 in words is "forty million, four hundred eighty-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 289 312 408 442 449 578 663 867 884 898 1156 1326 1347 1734 1768 1796 2312 2652 2694 3468 3592 3757 5304 5388 5837 6936 7514 7633 10776 11271 11674 15028 15266 17511 22542 22899 23348 30056 30532 35022 45084 45798 46696 61064 70044 90168 91596 99229 129761 140088 183192 198458 259522 297687 389283 396916 519044 595374 778566 793832 1038088 1190748 1557132 1686893 2381496 3114264 3373786 5060679 6747572 10121358 13495144 20242716 40485432