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11288436 = 223940703
BaseRepresentation
bin101011000011…
…111101110100
3210020111211020
4223003331310
510342212221
61041541140
7164643615
oct53037564
923214736
1011288436
116410195
1239447b0
132453163
1416dbc0c
15eceac6
hexac3f74

11288436 has 12 divisors (see below), whose sum is σ = 26339712. Its totient is φ = 3762808.

The previous prime is 11288429. The next prime is 11288437. The reversal of 11288436 is 63488211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11288397 and 11288406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11288437) 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, 470340 + ... + 470363.

It is an arithmetic number, because the mean of its divisors is an integer number (2194976).

Almost surely, 211288436 is an apocalyptic number.

It is an amenable number.

11288436 is an abundant number, since it is smaller than the sum of its proper divisors (15051276).

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

11288436 is a wasteful number, since it uses less digits than its factorization.

11288436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940710 (or 940708 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 11288436 is about 3359.8267812493. The cubic root of 11288436 is about 224.3251284115.

The spelling of 11288436 in words is "eleven million, two hundred eighty-eight thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 940703 1881406 2822109 3762812 5644218 11288436