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19000996 = 227678607
BaseRepresentation
bin100100001111…
…0111010100100
31022202100110121
41020132322210
514331012441
61515131324
7320335330
oct110367244
938670417
1019000996
11a7a8803
126443b44
133c237c1
1427487c0
151a04dd1
hex121eea4

19000996 has 12 divisors (see below), whose sum is σ = 38002048. Its totient is φ = 8143272.

The previous prime is 19000991. The next prime is 19000997. The reversal of 19000996 is 69900091.

It is a happy number.

19000996 is an admirable number.

It is a super-2 number, since 2×190009962 = 722075697984032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19000991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339276 + ... + 339331.

Almost surely, 219000996 is an apocalyptic number.

It is an amenable number.

19000996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19000996 is a wasteful number, since it uses less digits than its factorization.

19000996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678618 (or 678616 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 19000996 is about 4359.0131910789. The cubic root of 19000996 is about 266.8448274715.

The spelling of 19000996 in words is "nineteen million, nine hundred ninety-six", and thus it is an aban number.

Divisors: 1 2 4 7 14 28 678607 1357214 2714428 4750249 9500498 19000996