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89828970 = 235711371051
BaseRepresentation
bin1010101101010…
…10111001101010
320021000210011220
411112222321222
5140444011340
612525202510
72140351020
oct526527152
9207023156
1089828970
1146784920
1226100436
13157c214a
14bd04710
157d45ed0
hex55aae6a

89828970 has 128 divisors (see below), whose sum is σ = 276314112. Its totient is φ = 18144000.

The previous prime is 89828951. The next prime is 89828983. The reversal of 89828970 is 7982898.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84945 + ... + 85995.

It is an arithmetic number, because the mean of its divisors is an integer number (2158704).

Almost surely, 289828970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89828970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138157056).

89828970 is an abundant number, since it is smaller than the sum of its proper divisors (186485142).

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

89828970 is a wasteful number, since it uses less digits than its factorization.

89828970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 89828970 is about 9477.8146215254. The cubic root of 89828970 is about 447.8564225544.

The spelling of 89828970 in words is "eighty-nine million, eight hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 37 42 55 66 70 74 77 105 110 111 154 165 185 210 222 231 259 330 370 385 407 462 518 555 770 777 814 1051 1110 1155 1221 1295 1554 2035 2102 2310 2442 2590 2849 3153 3885 4070 5255 5698 6105 6306 7357 7770 8547 10510 11561 12210 14245 14714 15765 17094 22071 23122 28490 31530 34683 36785 38887 42735 44142 57805 69366 73570 77774 80927 85470 110355 115610 116661 161854 173415 194435 220710 233322 242781 272209 346830 388870 404635 427757 485562 544418 583305 809270 816627 855514 1166610 1213905 1283271 1361045 1633254 2138785 2427810 2566542 2722090 2994299 4083135 4277570 5988598 6416355 8166270 8982897 12832710 14971495 17965794 29942990 44914485 89828970