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10928640 = 29351423
BaseRepresentation
bin101001101100…
…001000000000
3202120020021110
4221230020000
510244204030
61030123320
7161614632
oct51541000
922506243
1010928640
116194938
1237b0540
132358468
141646a52
15e5d1b0
hexa6c200

10928640 has 80 divisors (see below), whose sum is σ = 34962048. Its totient is φ = 2912256.

The previous prime is 10928639. The next prime is 10928641. The reversal of 10928640 is 4682901.

It is an interprime number because it is at equal distance from previous prime (10928639) and next prime (10928641).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10928598 and 10928607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10928641) by changing a digit.

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, 6969 + ... + 8391.

Almost surely, 210928640 is an apocalyptic number.

10928640 is a gapful number since it is divisible by the number (10) 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 10928640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17481024).

10928640 is an abundant number, since it is smaller than the sum of its proper divisors (24033408).

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

10928640 is an equidigital number, since it uses as much as digits as its factorization.

10928640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10928640 is about 3305.8493613593. The cubic root of 10928640 is about 221.9160464958.

The spelling of 10928640 in words is "ten million, nine hundred twenty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1423 1536 1920 2560 2846 3840 4269 5692 7115 7680 8538 11384 14230 17076 21345 22768 28460 34152 42690 45536 56920 68304 85380 91072 113840 136608 170760 182144 227680 273216 341520 364288 455360 546432 683040 728576 910720 1092864 1366080 1821440 2185728 2732160 3642880 5464320 10928640