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88987230 = 23252342989
BaseRepresentation
bin1010100110111…
…01011001011110
320012110000112100
411103131121132
5140240042410
612455145530
72130243663
oct523353136
9205400470
1088987230
114625a472
12259752a6
1315588c87
14bb65a6a
157c2b8c0
hex54dd65e

88987230 has 48 divisors (see below), whose sum is σ = 241431840. Its totient is φ = 22697664.

The previous prime is 88987229. The next prime is 88987237. The reversal of 88987230 is 3278988.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88987237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19425 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (5029830).

Almost surely, 288987230 is an apocalyptic number.

88987230 is an abundant number, since it is smaller than the sum of its proper divisors (152444610).

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

88987230 is a wasteful number, since it uses less digits than its factorization.

88987230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43025 (or 43022 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88987230 is about 9433.3042991308. The cubic root of 88987230 is about 446.4531546813.

The spelling of 88987230 in words is "eighty-eight million, nine hundred eighty-seven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 42989 85978 128967 214945 257934 386901 429890 644835 773802 988747 1289670 1934505 1977494 2966241 3869010 4943735 5932482 8898723 9887470 14831205 17797446 29662410 44493615 88987230