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84021532 = 2273196799
BaseRepresentation
bin1010000001000…
…01000100011100
312212002201212121
411000201010130
5133002142112
612200512324
72040112510
oct500410434
9185081777
1084021532
1143478691
122417b6a4
131453a9aa
14b232140
15759a407
hex502111c

84021532 has 24 divisors (see below), whose sum is σ = 173465600. Its totient is φ = 34847280.

The previous prime is 84021523. The next prime is 84021569. The reversal of 84021532 is 23512048.

It is a junction number, because it is equal to n+sod(n) for n = 84021497 and 84021506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47532 + ... + 49267.

Almost surely, 284021532 is an apocalyptic number.

It is an amenable number.

84021532 is an abundant number, since it is smaller than the sum of its proper divisors (89444068).

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

84021532 is a wasteful number, since it uses less digits than its factorization.

84021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96841 (or 96839 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 84021532 is about 9166.3259815479. The cubic root of 84021532 is about 437.9893313498.

The spelling of 84021532 in words is "eighty-four million, twenty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 96799 193598 387196 677593 1355186 2710372 3000769 6001538 12003076 21005383 42010766 84021532