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19441072 = 247237547
BaseRepresentation
bin100101000101…
…0010110110000
31100120201010201
41022022112300
514434103242
61532404544
7324150340
oct112122660
940521121
1019441072
11aa79402
126616754
134048bc1
142820d20
151a904b7
hex128a5b0

19441072 has 40 divisors (see below), whose sum is σ = 44925696. Its totient is φ = 7968576.

The previous prime is 19441069. The next prime is 19441109. The reversal of 19441072 is 27014491.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 19441072.

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, 1198 + ... + 6349.

Almost surely, 219441072 is an apocalyptic number.

It is an amenable number.

19441072 is an abundant number, since it is smaller than the sum of its proper divisors (25484624).

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

19441072 is a wasteful number, since it uses less digits than its factorization.

19441072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585 (or 7579 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 19441072 is about 4409.2031026026. The cubic root of 19441072 is about 268.8892271572.

The spelling of 19441072 in words is "nineteen million, four hundred forty-one thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 23 28 46 56 92 112 161 184 322 368 644 1288 2576 7547 15094 30188 52829 60376 105658 120752 173581 211316 347162 422632 694324 845264 1215067 1388648 2430134 2777296 4860268 9720536 19441072