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88030940 = 2254499803
BaseRepresentation
bin1010011111100…
…11111011011100
320010122102202012
411033303323130
5140013442230
612422450352
72116151654
oct517637334
9203572665
1088030940
1145766a48
12255939b8
131531291a
14b997364
157add395
hex53f3edc

88030940 has 24 divisors (see below), whose sum is σ = 185295600. Its totient is φ = 35130368.

The previous prime is 88030909. The next prime is 88030949. The reversal of 88030940 is 4903088.

It is a junction number, because it is equal to n+sod(n) for n = 88030897 and 88030906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88030949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4079 + ... + 13881.

It is an arithmetic number, because the mean of its divisors is an integer number (7720650).

Almost surely, 288030940 is an apocalyptic number.

It is an amenable number.

88030940 is an abundant number, since it is smaller than the sum of its proper divisors (97264660).

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

88030940 is a wasteful number, since it uses less digits than its factorization.

88030940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261 (or 10259 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 88030940 is about 9382.4804822605. The cubic root of 88030940 is about 444.8481407512.

The spelling of 88030940 in words is "eighty-eight million, thirty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 4490 8980 9803 19606 39212 49015 98030 196060 4401547 8803094 17606188 22007735 44015470 88030940