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48688428 = 22347173499
BaseRepresentation
bin1011100110111…
…0110100101100
310101121121222010
42321232310230
544431012203
64455321220
71130562525
oct271566454
9111547863
1048688428
1125535378
1214380210
13a119429
14667584c
15441b303
hex2e6ed2c

48688428 has 48 divisors (see below), whose sum is σ = 116928000. Its totient is φ = 15760704.

The previous prime is 48688421. The next prime is 48688433. The reversal of 48688428 is 82488684.

It is a super-2 number, since 2×486884282 = 4741126042222368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48688421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97323 + ... + 97821.

It is an arithmetic number, because the mean of its divisors is an integer number (2436000).

Almost surely, 248688428 is an apocalyptic number.

It is an amenable number.

48688428 is an abundant number, since it is smaller than the sum of its proper divisors (68239572).

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

48688428 is a wasteful number, since it uses less digits than its factorization.

48688428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its digits is 786432, while the sum is 48.

The square root of 48688428 is about 6977.7093662605. The cubic root of 48688428 is about 365.1533177131.

The spelling of 48688428 in words is "forty-eight million, six hundred eighty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 47 94 141 173 188 282 346 499 519 564 692 998 1038 1497 1996 2076 2994 5988 8131 16262 23453 24393 32524 46906 48786 70359 86327 93812 97572 140718 172654 258981 281436 345308 517962 1035924 4057369 8114738 12172107 16229476 24344214 48688428