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19914076 = 2271354709
BaseRepresentation
bin100101111110…
…1110101011100
31101110201222101
41023331311130
520044222301
61550454444
7331160350
oct113756534
941421871
1019914076
1110271816
126804424
1341832a0
142905460
151b35701
hex12fdd5c

19914076 has 24 divisors (see below), whose sum is σ = 42892640. Its totient is φ = 7877952.

The previous prime is 19914073. The next prime is 19914079. The reversal of 19914076 is 67041991.

It is an interprime number because it is at equal distance from previous prime (19914073) and next prime (19914079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19914073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26991 + ... + 27718.

Almost surely, 219914076 is an apocalyptic number.

It is an amenable number.

19914076 is an abundant number, since it is smaller than the sum of its proper divisors (22978564).

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

19914076 is a wasteful number, since it uses less digits than its factorization.

19914076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733 (or 54731 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 19914076 is about 4462.5190195673. The cubic root of 19914076 is about 271.0524809514.

The spelling of 19914076 in words is "nineteen million, nine hundred fourteen thousand, seventy-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 54709 109418 218836 382963 711217 765926 1422434 1531852 2844868 4978519 9957038 19914076