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89438272 = 2671118149
BaseRepresentation
bin1010101010010…
…11100001000000
320020021221020121
411111023201000
5140344011042
612512550024
72134132660
oct525134100
9206257217
1089438272
1146538330
1225b52314
13156b6371
14bc421a0
157cba367
hex554b840

89438272 has 56 divisors (see below), whose sum is σ = 221284800. Its totient is φ = 34844160.

The previous prime is 89438249. The next prime is 89438273. The reversal of 89438272 is 27283498.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (89438273) 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, 4147 + ... + 14002.

Almost surely, 289438272 is an apocalyptic number.

It is an amenable number.

89438272 is an abundant number, since it is smaller than the sum of its proper divisors (131846528).

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

89438272 is a wasteful number, since it uses less digits than its factorization.

89438272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18179 (or 18169 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 89438272 is about 9457.1809753224. The cubic root of 89438272 is about 447.2061835438.

The spelling of 89438272 in words is "eighty-nine million, four hundred thirty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 18149 36298 72596 127043 145192 199639 254086 290384 399278 508172 580768 798556 1016344 1161536 1397473 1597112 2032688 2794946 3194224 4065376 5589892 6388448 8130752 11179784 12776896 22359568 44719136 89438272