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88148148 = 22311679967
BaseRepresentation
bin1010100000100…
…00100010110100
320010212101112020
411100100202310
5140031220043
612425153140
72120150454
oct520204264
9203771466
1088148148
1145837010
122562b7b0
131535408a
14b9c7d64
157b12e83
hex54108b4

88148148 has 48 divisors (see below), whose sum is σ = 227748864. Its totient is φ = 26310240.

The previous prime is 88148143. The next prime is 88148161. The reversal of 88148148 is 84184188.

88148148 is a modest number, since divided by 148148 gives 88 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88148143) 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, 3861 + ... + 13827.

It is an arithmetic number, because the mean of its divisors is an integer number (4744768).

Almost surely, 288148148 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 88148148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113874432).

88148148 is an abundant number, since it is smaller than the sum of its proper divisors (139600716).

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

88148148 is a wasteful number, since it uses less digits than its factorization.

88148148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052 (or 10050 counting only the distinct ones).

The product of its digits is 65536, while the sum is 42.

The square root of 88148148 is about 9388.7245140115. The cubic root of 88148148 is about 445.0454828737.

The spelling of 88148148 in words is "eighty-eight million, one hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 67 132 134 201 268 402 737 804 1474 2211 2948 4422 8844 9967 19934 29901 39868 59802 109637 119604 219274 328911 438548 657822 667789 1315644 1335578 2003367 2671156 4006734 7345679 8013468 14691358 22037037 29382716 44074074 88148148