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19242802 = 267163881
BaseRepresentation
bin100100101100…
…1111100110010
31100012122011101
41021121330302
514411232202
61524235014
7322363315
oct111317462
940178141
1019242802
11a953447
12653ba6a
133ca9897
1427ac97c
151a51887
hex1259f32

19242802 has 16 divisors (see below), whose sum is σ = 29508192. Its totient is φ = 9408960.

The previous prime is 19242799. The next prime is 19242809. The reversal of 19242802 is 20824291.

It is a super-2 number, since 2×192428022 = 740570857622408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19242809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21402 + ... + 22282.

It is an arithmetic number, because the mean of its divisors is an integer number (1844262).

Almost surely, 219242802 is an apocalyptic number.

19242802 is a deficient number, since it is larger than the sum of its proper divisors (10265390).

19242802 is a wasteful number, since it uses less digits than its factorization.

19242802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 19242802 is about 4386.6618287714. The cubic root of 19242802 is about 267.9720120026.

The spelling of 19242802 in words is "nineteen million, two hundred forty-two thousand, eight hundred two".

Divisors: 1 2 67 134 163 326 881 1762 10921 21842 59027 118054 143603 287206 9621401 19242802