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89452220 = 225111331277
BaseRepresentation
bin1010101010011…
…10111010111100
320020022122101012
411111032322330
5140344432340
612513134352
72134221434
oct525167274
9206278335
1089452220
1146547860
1225b5a3b8
13156bc810
14bc472c4
157cbe565
hex554eebc

89452220 has 48 divisors (see below), whose sum is σ = 220697568. Its totient is φ = 30024960.

The previous prime is 89452217. The next prime is 89452241. The reversal of 89452220 is 2225498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12779 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (4597866).

Almost surely, 289452220 is an apocalyptic number.

It is an amenable number.

89452220 is an abundant number, since it is smaller than the sum of its proper divisors (131245348).

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

89452220 is a wasteful number, since it uses less digits than its factorization.

89452220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31310 (or 31308 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 89452220 is about 9457.9183756258. The cubic root of 89452220 is about 447.2294297727.

The spelling of 89452220 in words is "eighty-nine million, four hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 31277 62554 125108 156385 312770 344047 406601 625540 688094 813202 1376188 1626404 1720235 2033005 3440470 4066010 4472611 6880940 8132020 8945222 17890444 22363055 44726110 89452220