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39933952 = 211173137
BaseRepresentation
bin1001100001010…
…1100000000000
32210010212002021
42120111200000
540210341302
63543531224
7663301342
oct230254000
983125067
1039933952
11205a5a73
1211459b14
138372776
145437292
15378c437
hex2615800

39933952 has 96 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 17694720.

The previous prime is 39933919. The next prime is 39933977. The reversal of 39933952 is 25933993.

It is a junction number, because it is equal to n+sod(n) for n = 39933899 and 39933908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079278 + ... + 1079314.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 239933952 is an apocalyptic number.

39933952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39933952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680).

39933952 is an abundant number, since it is smaller than the sum of its proper divisors (49697408).

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

39933952 is a wasteful number, since it uses less digits than its factorization.

39933952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 87 counting only the distinct ones).

The product of its digits is 196830, while the sum is 43.

The square root of 39933952 is about 6319.3316102259. The cubic root of 39933952 is about 341.8068514839.

The spelling of 39933952 in words is "thirty-nine million, nine hundred thirty-three thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 17 31 32 34 37 62 64 68 74 124 128 136 148 248 256 272 296 496 512 527 544 592 629 992 1024 1054 1088 1147 1184 1258 1984 2048 2108 2176 2294 2368 2516 3968 4216 4352 4588 4736 5032 7936 8432 8704 9176 9472 10064 15872 16864 17408 18352 18944 19499 20128 31744 33728 34816 36704 37888 38998 40256 63488 67456 73408 75776 77996 80512 134912 146816 155992 161024 269824 293632 311984 322048 539648 587264 623968 644096 1079296 1174528 1247936 1288192 2349056 2495872 4991744 9983488 19966976 39933952