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89125900 = 225217103509
BaseRepresentation
bin1010100111111…
…11010000001100
320012201001202021
411103333100030
5140304012100
612502135524
72131362163
oct523772014
9205631667
1089125900
1146344676
1225a215a4
1315607126
14bba03da
157c57a1a
hex54ff40c

89125900 has 72 divisors (see below), whose sum is σ = 207174240. Its totient is φ = 33162240.

The previous prime is 89125889. The next prime is 89125937. The reversal of 89125900 is 952198.

89125900 = T1504 + T1505 + ... + T1578.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174846 + ... + 175354.

It is an arithmetic number, because the mean of its divisors is an integer number (2877420).

Almost surely, 289125900 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 89125900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103587120).

89125900 is an abundant number, since it is smaller than the sum of its proper divisors (118048340).

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

89125900 is a wasteful number, since it uses less digits than its factorization.

89125900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 89125900 is about 9440.6514605720. The cubic root of 89125900 is about 446.6849389817.

The spelling of 89125900 in words is "eighty-nine million, one hundred twenty-five thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 103 170 206 340 412 425 509 515 850 1018 1030 1700 1751 2036 2060 2545 2575 3502 5090 5150 7004 8653 8755 10180 10300 12725 17306 17510 25450 34612 35020 43265 43775 50900 52427 86530 87550 104854 173060 175100 209708 216325 262135 432650 524270 865300 891259 1048540 1310675 1782518 2621350 3565036 4456295 5242700 8912590 17825180 22281475 44562950 89125900