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19936484 = 2224120681
BaseRepresentation
bin100110000001…
…1010011100100
31101111212201022
41030003103210
520100431414
61551150312
7331312601
oct114032344
941455638
1019936484
1110287637
126815398
134190549
14290d6a8
151b3c18e
hex13034e4

19936484 has 12 divisors (see below), whose sum is σ = 35035308. Its totient is φ = 9926400.

The previous prime is 19936481. The next prime is 19936487. The reversal of 19936484 is 48463991.

It is an interprime number because it is at equal distance from previous prime (19936481) and next prime (19936487).

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 12096484 = 2800^2 + 3478^2 .

It is not an unprimeable number, because it can be changed into a prime (19936481) 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, 9377 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (2919609).

Almost surely, 219936484 is an apocalyptic number.

It is an amenable number.

19936484 is a deficient number, since it is larger than the sum of its proper divisors (15098824).

19936484 is a wasteful number, since it uses less digits than its factorization.

19936484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926 (or 20924 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 19936484 is about 4465.0290032653. The cubic root of 19936484 is about 271.1541086859.

The spelling of 19936484 in words is "nineteen million, nine hundred thirty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 241 482 964 20681 41362 82724 4984121 9968242 19936484