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31048896 = 263237989
BaseRepresentation
bin111011001110…
…0010011000000
32011102110002010
41312130103000
530422031041
63025252520
7524624364
oct166342300
964373063
1031048896
111658754a
12a494140
136581538
1441a32a4
152ad4a16
hex1d9c4c0

31048896 has 112 divisors (see below), whose sum is σ = 87782400. Its totient is φ = 9664512.

The previous prime is 31048877. The next prime is 31048903. The reversal of 31048896 is 69884013.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 348820 + ... + 348908.

Almost surely, 231048896 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 31048896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43891200).

31048896 is an abundant number, since it is smaller than the sum of its proper divisors (56733504).

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

31048896 is a wasteful number, since it uses less digits than its factorization.

31048896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 31048896 is about 5572.1536231515. The cubic root of 31048896 is about 314.3031407889.

The spelling of 31048896 in words is "thirty-one million, forty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 79 89 92 96 138 158 178 184 192 237 267 276 316 356 368 474 534 552 632 712 736 948 1068 1104 1264 1424 1472 1817 1896 2047 2136 2208 2528 2848 3634 3792 4094 4272 4416 5056 5451 5696 6141 7031 7268 7584 8188 8544 10902 12282 14062 14536 15168 16376 17088 21093 21804 24564 28124 29072 32752 42186 43608 49128 56248 58144 65504 84372 87216 98256 112496 116288 131008 161713 168744 174432 196512 224992 323426 337488 348864 393024 449984 485139 646852 674976 970278 1293704 1349952 1940556 2587408 3881112 5174816 7762224 10349632 15524448 31048896