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11660072 = 2319411871
BaseRepresentation
bin101100011110…
…101100101000
3210221101121112
4230132230220
510441110242
61053525452
7201052244
oct54365450
923841545
1011660072
116644426
123aa3888
132553368
141797424
151054c82
hexb1eb28

11660072 has 32 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 5385600.

The previous prime is 11660041. The next prime is 11660101. The reversal of 11660072 is 27006611.

11660072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 211660072 is an apocalyptic number.

It is an amenable number.

11660072 is an abundant number, since it is smaller than the sum of its proper divisors (11927128).

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

11660072 is a wasteful number, since it uses less digits than its factorization.

11660072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 11660072 is about 3414.6847585099. The cubic root of 11660072 is about 226.7603284588.

Adding to 11660072 its reverse (27006611), we get a palindrome (38666683).

The spelling of 11660072 in words is "eleven million, six hundred sixty thousand, seventy-two".

Divisors: 1 2 4 8 19 38 41 76 82 152 164 328 779 1558 1871 3116 3742 6232 7484 14968 35549 71098 76711 142196 153422 284392 306844 613688 1457509 2915018 5830036 11660072