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89003928 = 233132379157
BaseRepresentation
bin1010100111000…
…01011110011000
320012110212102210
411103201132120
5140241111203
612455355120
72130343446
oct523413630
9205425383
1089003928
1146270a72
1225982aa0
1315593760
14bb6bb96
157c31803
hex54e1798

89003928 has 128 divisors (see below), whose sum is σ = 254822400. Its totient is φ = 25698816.

The previous prime is 89003921. The next prime is 89003933. The reversal of 89003928 is 82930098.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89003921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566826 + ... + 566982.

It is an arithmetic number, because the mean of its divisors is an integer number (1990800).

Almost surely, 289003928 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 89003928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127411200).

89003928 is an abundant number, since it is smaller than the sum of its proper divisors (165818472).

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

89003928 is a wasteful number, since it uses less digits than its factorization.

89003928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 89003928 is about 9434.1893133433. The cubic root of 89003928 is about 446.4810778209.

The spelling of 89003928 in words is "eighty-nine million, three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 69 78 79 92 104 138 156 157 158 184 237 276 299 312 314 316 471 474 552 598 628 632 897 942 948 1027 1196 1256 1794 1817 1884 1896 2041 2054 2392 3081 3588 3611 3634 3768 4082 4108 5451 6123 6162 7176 7222 7268 8164 8216 10833 10902 12246 12324 12403 14444 14536 16328 21666 21804 23621 24492 24648 24806 28888 37209 43332 43608 46943 47242 48984 49612 70863 74418 86664 93886 94484 99224 140829 141726 148836 161239 187772 188968 281658 283452 285269 297672 322478 375544 483717 563316 566904 570538 644956 855807 967434 1126632 1141076 1289912 1711614 1934868 2282152 3423228 3708497 3869736 6846456 7416994 11125491 14833988 22250982 29667976 44501964 89003928