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20769048 = 233432051
BaseRepresentation
bin100111100111…
…0100100011000
31110002011210000
41033032210120
520304102143
62021053000
7341351106
oct117164430
943064700
1020769048
11107a6103
126b57160
1343c24a1
142a88c76
151c53bd3
hex13ce918

20769048 has 40 divisors (see below), whose sum is σ = 58174380. Its totient is φ = 6922800.

The previous prime is 20769037. The next prime is 20769113. The reversal of 20769048 is 84096702.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15378 + ... + 16673.

Almost surely, 220769048 is an apocalyptic number.

It is an amenable number.

20769048 is an abundant number, since it is smaller than the sum of its proper divisors (37405332).

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

20769048 is a wasteful number, since it uses less digits than its factorization.

20769048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32069 (or 32056 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20769048 is about 4557.3070995929. The cubic root of 20769048 is about 274.8772918108.

The spelling of 20769048 in words is "twenty million, seven hundred sixty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 32051 64102 96153 128204 192306 256408 288459 384612 576918 769224 865377 1153836 1730754 2307672 2596131 3461508 5192262 6923016 10384524 20769048