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89147040 = 2535185723
BaseRepresentation
bin1010101000001…
…00011010100000
320012202010202020
411110010122200
5140310201130
612502421440
72131510623
oct524043240
9205663666
1089147040
1146359544
1225a31880
1315613938
14bba7dba
157c5de10
hex55046a0

89147040 has 48 divisors (see below), whose sum is σ = 280814688. Its totient is φ = 23772416.

The previous prime is 89147033. The next prime is 89147081. The reversal of 89147040 is 4074198.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 89146992 and 89147010.

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, 92382 + ... + 93341.

It is an arithmetic number, because the mean of its divisors is an integer number (5850306).

Almost surely, 289147040 is an apocalyptic number.

89147040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89147040 is an abundant number, since it is smaller than the sum of its proper divisors (191667648).

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

89147040 is a wasteful number, since it uses less digits than its factorization.

89147040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185741 (or 185733 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 89147040 is about 9441.7710203118. The cubic root of 89147040 is about 446.7202529705.

The spelling of 89147040 in words is "eighty-nine million, one hundred forty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 185723 371446 557169 742892 928615 1114338 1485784 1857230 2228676 2785845 2971568 3714460 4457352 5571690 5943136 7428920 8914704 11143380 14857840 17829408 22286760 29715680 44573520 89147040