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11572038 = 233214297
BaseRepresentation
bin101100001001…
…001101000110
3210202220212000
4230021031012
510430301123
61052010130
7200234502
oct54111506
923686760
1011572038
116594275
123a60946
13252227a
141773302
151038b43
hexb09346

11572038 has 16 divisors (see below), whose sum is σ = 25715760. Its totient is φ = 3857328.

The previous prime is 11572037. The next prime is 11572051. The reversal of 11572038 is 83027511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107095 + ... + 107202.

It is an arithmetic number, because the mean of its divisors is an integer number (1607235).

Almost surely, 211572038 is an apocalyptic number.

11572038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11572038 is an abundant number, since it is smaller than the sum of its proper divisors (14143722).

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

11572038 is a wasteful number, since it uses less digits than its factorization.

11572038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214308 (or 214302 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 11572038 is about 3401.7698334837. The cubic root of 11572038 is about 226.1882030589.

Adding to 11572038 its reverse (83027511), we get a palindrome (94599549).

The spelling of 11572038 in words is "eleven million, five hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 214297 428594 642891 1285782 1928673 3857346 5786019 11572038