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19401096 = 23311135653
BaseRepresentation
bin100101000000…
…0100110001000
31100111200022010
41022000212020
514431313341
61531455520
7323622651
oct112004610
940450263
1019401096
11aa51370
1265b75a0
134033950
142810528
151a83716
hex1280988

19401096 has 64 divisors (see below), whose sum is σ = 56992320. Its totient is φ = 5425920.

The previous prime is 19401091. The next prime is 19401143. The reversal of 19401096 is 69010491.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19401091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (890505).

Almost surely, 219401096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19401096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28496160).

19401096 is an abundant number, since it is smaller than the sum of its proper divisors (37591224).

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

19401096 is a wasteful number, since it uses less digits than its factorization.

19401096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 19401096 is about 4404.6675243428. The cubic root of 19401096 is about 268.7047981667.

The spelling of 19401096 in words is "nineteen million, four hundred one thousand, ninety-six".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 5653 11306 16959 22612 33918 45224 62183 67836 73489 124366 135672 146978 186549 220467 248732 293956 373098 440934 497464 587912 746196 808379 881868 1492392 1616758 1763736 2425137 3233516 4850274 6467032 9700548 19401096