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45289800 = 2333528387
BaseRepresentation
bin1010110011000…
…1000101001000
310011012221221000
42230301011020
543043233200
64254415000
71056646143
oct254610510
9104187830
1045289800
1123623996
1213201460
1394c94ca
14602d05a
153e99300
hex2b31148

45289800 has 96 divisors (see below), whose sum is σ = 156016800. Its totient is φ = 12075840.

The previous prime is 45289799. The next prime is 45289801. The reversal of 45289800 is 898254.

It is an interprime number because it is at equal distance from previous prime (45289799) and next prime (45289801).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (45289801) 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, 1207 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (1625175).

Almost surely, 245289800 is an apocalyptic number.

45289800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45289800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78008400).

45289800 is an abundant number, since it is smaller than the sum of its proper divisors (110727000).

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

45289800 is a wasteful number, since it uses less digits than its factorization.

45289800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 45289800 is about 6729.7696840234. The cubic root of 45289800 is about 356.4512436379.

The spelling of 45289800 in words is "forty-five million, two hundred eighty-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 108 120 135 150 180 200 216 225 270 300 360 450 540 600 675 900 1080 1350 1800 2700 5400 8387 16774 25161 33548 41935 50322 67096 75483 83870 100644 125805 150966 167740 201288 209675 226449 251610 301932 335480 377415 419350 452898 503220 603864 629025 754830 838700 905796 1006440 1132245 1258050 1509660 1677400 1811592 1887075 2264490 2516100 3019320 3774150 4528980 5032200 5661225 7548300 9057960 11322450 15096600 22644900 45289800