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19394102 = 2721321171
BaseRepresentation
bin100100111111…
…0111000110110
31100111022201002
41021332320312
514431102402
61531403302
7323563400
oct111767066
940438632
1019394102
11aa47092
1265b3532
134030700
14280bb70
151a81602
hex127ee36

19394102 has 36 divisors (see below), whose sum is σ = 36675396. Its totient is φ = 7665840.

The previous prime is 19394099. The next prime is 19394119. The reversal of 19394102 is 20149391.

It is a happy number.

It is a super-2 number, since 2×193941022 = 752262384772808, 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 in 17 ways as a sum of consecutive naturals, for example, 15977 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (1018761).

Almost surely, 219394102 is an apocalyptic number.

19394102 is a deficient number, since it is larger than the sum of its proper divisors (17281294).

19394102 is a wasteful number, since it uses less digits than its factorization.

19394102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 19394102 is about 4403.8735222529. The cubic root of 19394102 is about 268.6725053651.

The spelling of 19394102 in words is "nineteen million, three hundred ninety-four thousand, one hundred two".

Divisors: 1 2 7 13 14 26 49 91 98 169 182 338 637 1171 1183 1274 2342 2366 8197 8281 15223 16394 16562 30446 57379 106561 114758 197899 213122 395798 745927 1385293 1491854 2770586 9697051 19394102