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89019252 = 22327615791
BaseRepresentation
bin1010100111001…
…01001101110100
320012111122110100
411103211031310
5140242104002
612455554100
72130436230
oct523451564
9205448410
1089019252
1146281533
122598b930
131559a71a
14bb735c0
157c3611c
hex54e5374

89019252 has 72 divisors (see below), whose sum is σ = 261427712. Its totient is φ = 25012800.

The previous prime is 89019251. The next prime is 89019263. The reversal of 89019252 is 25291098.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89019251) 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, 12477 + ... + 18267.

Almost surely, 289019252 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 89019252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130713856).

89019252 is an abundant number, since it is smaller than the sum of its proper divisors (172408460).

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

89019252 is a wasteful number, since it uses less digits than its factorization.

89019252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869 (or 5864 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 89019252 is about 9435.0014308425. The cubic root of 89019252 is about 446.5067002234.

The spelling of 89019252 in words is "eighty-nine million, nineteen thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 61 63 84 122 126 183 244 252 366 427 549 732 854 1098 1281 1708 2196 2562 3843 5124 5791 7686 11582 15372 17373 23164 34746 40537 52119 69492 81074 104238 121611 162148 208476 243222 353251 364833 486444 706502 729666 1059753 1413004 1459332 2119506 2472757 3179259 4239012 4945514 6358518 7418271 9891028 12717036 14836542 22254813 29673084 44509626 89019252