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19040950 = 252380819
BaseRepresentation
bin100100010100…
…0101010110110
31022211101021101
41020220222312
514333302300
61520040314
7320562655
oct110505266
938741241
1019040950
11a825825
12646309a
133c38a46
14275919c
151a11b6a
hex1228ab6

19040950 has 12 divisors (see below), whose sum is σ = 35416260. Its totient is φ = 7616360.

The previous prime is 19040929. The next prime is 19040951. The reversal of 19040950 is 5904091.

It is a super-3 number, since 3×190409503 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19040951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190360 + ... + 190459.

It is an arithmetic number, because the mean of its divisors is an integer number (2951355).

Almost surely, 219040950 is an apocalyptic number.

19040950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19040950 is a deficient number, since it is larger than the sum of its proper divisors (16375310).

19040950 is a wasteful number, since it uses less digits than its factorization.

19040950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380831 (or 380826 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 19040950 is about 4363.5937024430. The cubic root of 19040950 is about 267.0317309051.

The spelling of 19040950 in words is "nineteen million, forty thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 380819 761638 1904095 3808190 9520475 19040950