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19144088 = 232393011
BaseRepresentation
bin100100100000…
…1110110011000
31100000121202022
41021001312120
514400102323
61522154012
7321502445
oct111016630
940017668
1019144088
11a896267
1264b2908
133c73982
1427849cc
151a324c8
hex1241d98

19144088 has 8 divisors (see below), whose sum is σ = 35895180. Its totient is φ = 9572040.

The previous prime is 19144079. The next prime is 19144093. The reversal of 19144088 is 88044191.

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

It is a super-2 number, since 2×191440882 = 732992210703488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196498 + ... + 1196513.

Almost surely, 219144088 is an apocalyptic number.

It is an amenable number.

19144088 is a deficient number, since it is larger than the sum of its proper divisors (16751092).

19144088 is a wasteful number, since it uses less digits than its factorization.

19144088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393017 (or 2393013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 19144088 is about 4375.3957535290. The cubic root of 19144088 is about 267.5130013770.

The spelling of 19144088 in words is "nineteen million, one hundred forty-four thousand, eighty-eight".

Divisors: 1 2 4 8 2393011 4786022 9572044 19144088