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11001372 = 223916781
BaseRepresentation
bin101001111101…
…111000011100
3202200221001020
4221331320130
510304020442
61031444140
7162336654
oct51757034
922627036
1011001372
116234548
123826650
1323825b5
141665364
15e749ec
hexa7de1c

11001372 has 12 divisors (see below), whose sum is σ = 25669896. Its totient is φ = 3667120.

The previous prime is 11001371. The next prime is 11001377. The reversal of 11001372 is 27310011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001371) 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, 458379 + ... + 458402.

It is an arithmetic number, because the mean of its divisors is an integer number (2139158).

Almost surely, 211001372 is an apocalyptic number.

11001372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001372 is an abundant number, since it is smaller than the sum of its proper divisors (14668524).

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

11001372 is a wasteful number, since it uses less digits than its factorization.

11001372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916788 (or 916786 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 11001372 is about 3316.8316206886. The cubic root of 11001372 is about 222.4072550382.

Adding to 11001372 its reverse (27310011), we get a palindrome (38311383).

The spelling of 11001372 in words is "eleven million, one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 916781 1833562 2750343 3667124 5500686 11001372