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11990488 = 231498811
BaseRepresentation
bin101101101111…
…010111011000
3211120011212011
4231233113120
511032143423
61104555304
7203626456
oct55572730
924504764
1011990488
11684a6a4
124022b34
13263a883
1418419d6
1510bcb0d
hexb6f5d8

11990488 has 8 divisors (see below), whose sum is σ = 22482180. Its totient is φ = 5995240.

The previous prime is 11990483. The next prime is 11990509. The reversal of 11990488 is 88409911.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11990488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749398 + ... + 749413.

Almost surely, 211990488 is an apocalyptic number.

It is an amenable number.

11990488 is a deficient number, since it is larger than the sum of its proper divisors (10491692).

11990488 is a wasteful number, since it uses less digits than its factorization.

11990488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498817 (or 1498813 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11990488 is about 3462.7284040190. The cubic root of 11990488 is about 228.8823407322.

The spelling of 11990488 in words is "eleven million, nine hundred ninety thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 1498811 2997622 5995244 11990488