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48012811 = 7111743853
BaseRepresentation
bin1011011100100…
…1111000001011
310100100022012021
42313021320023
544242402221
64433025311
71122050020
oct267117013
9110308167
1048012811
1125113810
12140b5237
139c40a62
14653b547
154336041
hex2dc9e0b

48012811 has 32 divisors (see below), whose sum is σ = 64931328. Its totient is φ = 34352640.

The previous prime is 48012787. The next prime is 48012841. The reversal of 48012811 is 11821084.

48012811 = 3362 + 3372 + ... + 5662.

It is not a de Polignac number, because 48012811 - 25 = 48012779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48012841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55861 + ... + 56713.

It is an arithmetic number, because the mean of its divisors is an integer number (2029104).

Almost surely, 248012811 is an apocalyptic number.

48012811 is a deficient number, since it is larger than the sum of its proper divisors (16918517).

48012811 is a wasteful number, since it uses less digits than its factorization.

48012811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 48012811 is about 6929.1277228811. The cubic root of 48012811 is about 363.4564478181.

Adding to 48012811 its reverse (11821084), we get a palindrome (59833895).

The spelling of 48012811 in words is "forty-eight million, twelve thousand, eight hundred eleven".

Divisors: 1 7 11 17 43 77 119 187 301 473 731 853 1309 3311 5117 5971 8041 9383 14501 36679 56287 65681 101507 159511 256753 403469 623543 1116577 2824283 4364801 6858973 48012811