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89686340 = 22547731307
BaseRepresentation
bin1010101100010…
…00000101000100
320020202112112022
411112020011010
5140424430330
612522142312
72136215132
oct526100504
9206675468
1089686340
1146697747
1226051998
1315772253
14bca8752
157d18ae5
hex5588144

89686340 has 48 divisors (see below), whose sum is σ = 195132672. Its totient is φ = 34603776.

The previous prime is 89686307. The next prime is 89686343. The reversal of 89686340 is 4368698.

It is a junction number, because it is equal to n+sod(n) for n = 89686291 and 89686300.

It is not an unprimeable number, because it can be changed into a prime (89686343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67967 + ... + 69273.

It is an arithmetic number, because the mean of its divisors is an integer number (4065264).

Almost surely, 289686340 is an apocalyptic number.

It is an amenable number.

89686340 is an abundant number, since it is smaller than the sum of its proper divisors (105446332).

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

89686340 is a wasteful number, since it uses less digits than its factorization.

89686340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 89686340 is about 9470.2872184533. The cubic root of 89686340 is about 447.6192622424.

The spelling of 89686340 in words is "eighty-nine million, six hundred eighty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 73 94 146 188 235 292 365 470 730 940 1307 1460 2614 3431 5228 6535 6862 13070 13724 17155 26140 34310 61429 68620 95411 122858 190822 245716 307145 381644 477055 614290 954110 1228580 1908220 4484317 8968634 17937268 22421585 44843170 89686340