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48211688 = 2372294241
BaseRepresentation
bin1011011111101…
…0011011101000
310100201102000002
42313322123220
544320233223
64441202132
71123535600
oct267723350
9110642002
1048211688
112523a178
1214190348
139cb0435
14658dc00
154374e28
hex2dfa6e8

48211688 has 48 divisors (see below), whose sum is σ = 108807300. Its totient is φ = 19944960.

The previous prime is 48211663. The next prime is 48211697. The reversal of 48211688 is 88611284.

It can be written as a sum of positive squares in 2 ways, for example, as 42745444 + 5466244 = 6538^2 + 2338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9248 + ... + 13488.

Almost surely, 248211688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48211688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54403650).

48211688 is an abundant number, since it is smaller than the sum of its proper divisors (60595612).

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

48211688 is a wasteful number, since it uses less digits than its factorization.

48211688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290 (or 4279 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 48211688 is about 6943.4636889668. The cubic root of 48211688 is about 363.9575887470.

The spelling of 48211688 in words is "forty-eight million, two hundred eleven thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 392 406 812 1421 1624 2842 4241 5684 8482 11368 16964 29687 33928 59374 118748 122989 207809 237496 245978 415618 491956 831236 860923 983912 1662472 1721846 3443692 6026461 6887384 12052922 24105844 48211688