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45083544 = 23311389439
BaseRepresentation
bin1010101111111…
…0101110011000
310010211110222220
42223332232120
543020133134
64250144040
71055126622
oct253765630
9103743886
1045083544
11234a2a30
1213122020
13945666c
145db7c12
153e58149
hex2afeb98

45083544 has 64 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 13595520.

The previous prime is 45083543. The next prime is 45083557. The reversal of 45083544 is 44538054.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45083543) 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, 102477 + ... + 102915.

It is an arithmetic number, because the mean of its divisors is an integer number (1930500).

Almost surely, 245083544 is an apocalyptic number.

45083544 is a gapful number since it is divisible by the number (44) 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 45083544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

45083544 is an abundant number, since it is smaller than the sum of its proper divisors (78468456).

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

45083544 is a wasteful number, since it uses less digits than its factorization.

45083544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 45083544 is about 6714.4280471236. The cubic root of 45083544 is about 355.9093107376.

Subtracting from 45083544 its reverse (44538054), we obtain a triangular number (545490 = T1044).

The spelling of 45083544 in words is "forty-five million, eighty-three thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 389 439 778 878 1167 1317 1556 1756 2334 2634 3112 3512 4279 4668 4829 5268 8558 9336 9658 10536 12837 14487 17116 19316 25674 28974 34232 38632 51348 57948 102696 115896 170771 341542 512313 683084 1024626 1366168 1878481 2049252 3756962 4098504 5635443 7513924 11270886 15027848 22541772 45083544