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45079100 = 225211107383
BaseRepresentation
bin1010101111110…
…1101000111100
310010211020220022
42223331220330
543020012400
64250111312
71055110643
oct253755074
9103736808
1045079100
112349a660
121311b538
139454631
145db635a
153e56b85
hex2afda3c

45079100 has 72 divisors (see below), whose sum is σ = 107993088. Its totient is φ = 16196800.

The previous prime is 45079081. The next prime is 45079109. The reversal of 45079100 is 197054.

It is a self number, because there is not a number n which added to its sum of digits gives 45079100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45079109) 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, 117509 + ... + 117891.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 245079100 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 45079100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53996544).

45079100 is an abundant number, since it is smaller than the sum of its proper divisors (62913988).

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

45079100 is a wasteful number, since it uses less digits than its factorization.

45079100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 45079100 is about 6714.0971098131. The cubic root of 45079100 is about 355.8976160570.

The spelling of 45079100 in words is "forty-five million, seventy-nine thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 107 110 214 220 275 383 428 535 550 766 1070 1100 1177 1532 1915 2140 2354 2675 3830 4213 4708 5350 5885 7660 8426 9575 10700 11770 16852 19150 21065 23540 29425 38300 40981 42130 58850 81962 84260 105325 117700 163924 204905 210650 409810 421300 450791 819620 901582 1024525 1803164 2049050 2253955 4098100 4507910 9015820 11269775 22539550 45079100