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88990048 = 257439239
BaseRepresentation
bin1010100110111…
…10000101100000
320012110011101201
411103132011200
5140240140143
612455210544
72130255130
oct523360540
9205404351
1088990048
11462615a4
1225976a54
131558a344
14bb66ac0
157c2c64d
hex54de160

88990048 has 48 divisors (see below), whose sum is σ = 204906240. Its totient is φ = 37247616.

The previous prime is 88990039. The next prime is 88990063. The reversal of 88990048 is 84009988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (4268880).

Almost surely, 288990048 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 88990048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102453120).

88990048 is an abundant number, since it is smaller than the sum of its proper divisors (115916192).

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

88990048 is a wasteful number, since it uses less digits than its factorization.

88990048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299 (or 9291 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 88990048 is about 9433.4536623657. The cubic root of 88990048 is about 446.4578673115.

The spelling of 88990048 in words is "eighty-eight million, nine hundred ninety thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 43 56 86 112 172 224 301 344 602 688 1204 1376 2408 4816 9239 9632 18478 36956 64673 73912 129346 147824 258692 295648 397277 517384 794554 1034768 1589108 2069536 2780939 3178216 5561878 6356432 11123756 12712864 22247512 44495024 88990048