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10620940 = 22511232099
BaseRepresentation
bin101000100001…
…000000001100
3201222121012011
4220201000030
510204332230
61015351004
7156163561
oct50410014
921877164
1010620940
115aa4740
123682464
13227b3a5
1415a6868
15debe2a
hexa2100c

10620940 has 48 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 3692480.

The previous prime is 10620923. The next prime is 10620947. The reversal of 10620940 is 4902601.

It is a super-2 number, since 2×106209402 = 225608732967200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (10620947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 210620940 is an apocalyptic number.

10620940 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 10620940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

10620940 is an abundant number, since it is smaller than the sum of its proper divisors (14780660).

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

10620940 is a wasteful number, since it uses less digits than its factorization.

10620940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10620940 is about 3258.9783675256. The cubic root of 10620940 is about 219.8134782703.

The spelling of 10620940 in words is "ten million, six hundred twenty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2099 2530 4198 5060 8396 10495 20990 23089 41980 46178 48277 92356 96554 115445 193108 230890 241385 461780 482770 531047 965540 1062094 2124188 2655235 5310470 10620940