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11075620 = 2254011381
BaseRepresentation
bin101010010000…
…000000100100
3202211200220011
4222100000210
510313404440
61033220004
7163066303
oct52200044
922750804
1011075620
116285306
123861604
1323aa32a
14168443a
15e8b9ea
hexa90024

11075620 has 24 divisors (see below), whose sum is σ = 23333688. Its totient is φ = 4416000.

The previous prime is 11075611. The next prime is 11075621. The reversal of 11075620 is 2657011.

It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 7107556 = 1992^2 + 2666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11075591 and 11075600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7330 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (972237).

Almost surely, 211075620 is an apocalyptic number.

11075620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11075620 is an abundant number, since it is smaller than the sum of its proper divisors (12258068).

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

11075620 is a wasteful number, since it uses less digits than its factorization.

11075620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11075620 is about 3328.0054086495. The cubic root of 11075620 is about 222.9064740829.

The spelling of 11075620 in words is "eleven million, seventy-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 401 802 1381 1604 2005 2762 4010 5524 6905 8020 13810 27620 553781 1107562 2215124 2768905 5537810 11075620