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211004928 = 2932291579
BaseRepresentation
bin11001001001110…
…10111000000000
3112201001011100100
430210322320000
5413004124203
632534322400
75141340501
oct1444727000
9481034310
10211004928
11a911a142
125a7b9400
133493b3b4
1420048ba8
15137ceea3
hexc93ae00

211004928 has 120 divisors (see below), whose sum is σ = 630372600. Its totient is φ = 67866624.

The previous prime is 211004923. The next prime is 211004933. The reversal of 211004928 is 829400112.

It is an interprime number because it is at equal distance from previous prime (211004923) and next prime (211004933).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211004923) 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 11 ways as a sum of consecutive naturals, for example, 132843 + ... + 134421.

It is an arithmetic number, because the mean of its divisors is an integer number (5253105).

Almost surely, 2211004928 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 211004928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315186300).

211004928 is an abundant number, since it is smaller than the sum of its proper divisors (419367672).

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

211004928 is a wasteful number, since it uses less digits than its factorization.

211004928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 211004928 is about 14526.0086740990. The cubic root of 211004928 is about 595.3388160438.

The spelling of 211004928 in words is "two hundred eleven million, four thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 512 522 576 696 768 928 1044 1152 1392 1536 1579 1856 2088 2304 2784 3158 3712 4176 4608 4737 5568 6316 7424 8352 9474 11136 12632 14211 14848 16704 18948 22272 25264 28422 33408 37896 44544 45791 50528 56844 66816 75792 91582 101056 113688 133632 137373 151584 183164 202112 227376 274746 303168 366328 404224 412119 454752 549492 606336 732656 808448 824238 909504 1098984 1212672 1465312 1648476 1819008 2197968 2425344 2930624 3296952 3638016 4395936 5861248 6593904 7276032 8791872 11722496 13187808 17583744 23444992 26375616 35167488 52751232 70334976 105502464 211004928