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19074342 = 237454151
BaseRepresentation
bin100100011000…
…0110100100110
31022220002002010
41020300310212
514340334332
61520455050
7321062220
oct110606446
938802063
1019074342
11a848921
12647a486
133c4acc1
142767410
151a1b9cc
hex1230d26

19074342 has 16 divisors (see below), whose sum is σ = 43598592. Its totient is φ = 5449800.

The previous prime is 19074317. The next prime is 19074343. The reversal of 19074342 is 24347091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19074343) 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, 227034 + ... + 227117.

It is an arithmetic number, because the mean of its divisors is an integer number (2724912).

Almost surely, 219074342 is an apocalyptic number.

19074342 is an abundant number, since it is smaller than the sum of its proper divisors (24524250).

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

19074342 is a wasteful number, since it uses less digits than its factorization.

19074342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454163.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 19074342 is about 4367.4182304881. The cubic root of 19074342 is about 267.1877370608.

The spelling of 19074342 in words is "nineteen million, seventy-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 454151 908302 1362453 2724906 3179057 6358114 9537171 19074342