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11642480 = 245145531
BaseRepresentation
bin101100011010…
…011001110000
3210220111110222
4230122121300
510440024410
61053312212
7200650043
oct54323160
923814428
1011642480
116632193
123a95668
132548355
141790c5a
15104e955
hexb1a670

11642480 has 20 divisors (see below), whose sum is σ = 27068952. Its totient is φ = 4656960.

The previous prime is 11642473. The next prime is 11642507. The reversal of 11642480 is 8424611.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×116424804 (a number of 29 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72686 + ... + 72845.

Almost surely, 211642480 is an apocalyptic number.

11642480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11642480 is an abundant number, since it is smaller than the sum of its proper divisors (15426472).

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

11642480 is a wasteful number, since it uses less digits than its factorization.

11642480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145544 (or 145538 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 11642480 is about 3412.1078529261. The cubic root of 11642480 is about 226.6462303759.

The spelling of 11642480 in words is "eleven million, six hundred forty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 145531 291062 582124 727655 1164248 1455310 2328496 2910620 5821240 11642480