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11078020 = 225553901
BaseRepresentation
bin101010010000…
…100110000100
3202211211012001
4222100212010
510313444040
61033235044
7163106302
oct52204604
922754161
1011078020
116287098
123862a84
1323ab455
141685272
15e8c59a
hexa90984

11078020 has 12 divisors (see below), whose sum is σ = 23263884. Its totient is φ = 4431200.

The previous prime is 11078003. The next prime is 11078021. The reversal of 11078020 is 2087011.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 5769604 = 2304^2 + 2402^2 .

It is not an unprimeable number, because it can be changed into a prime (11078021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276931 + ... + 276970.

It is an arithmetic number, because the mean of its divisors is an integer number (1938657).

Almost surely, 211078020 is an apocalyptic number.

11078020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11078020 is an abundant number, since it is smaller than the sum of its proper divisors (12185864).

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

11078020 is a wasteful number, since it uses less digits than its factorization.

11078020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553910 (or 553908 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11078020 is about 3328.3659654551. The cubic root of 11078020 is about 222.9225736151.

The spelling of 11078020 in words is "eleven million, seventy-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 553901 1107802 2215604 2769505 5539010 11078020