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45540570 = 23567139163
BaseRepresentation
bin1010110110111…
…0010011011010
310011200200220210
42231232103122
543124244240
64304031550
71062042225
oct255562332
9104620823
1045540570
1123785339
12133025b6
1395866aa
1460965bc
153ee8780
hex2b6e4da

45540570 has 64 divisors (see below), whose sum is σ = 112412160. Its totient is φ = 11803968.

The previous prime is 45540563. The next prime is 45540571. The reversal of 45540570 is 7504554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45540571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279309 + ... + 279471.

It is an arithmetic number, because the mean of its divisors is an integer number (1756440).

Almost surely, 245540570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45540570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56206080).

45540570 is an abundant number, since it is smaller than the sum of its proper divisors (66871590).

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

45540570 is a wasteful number, since it uses less digits than its factorization.

45540570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 45540570 is about 6748.3753600404. The cubic root of 45540570 is about 357.1079242785.

The spelling of 45540570 in words is "forty-five million, five hundred forty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 67 134 139 163 201 278 326 335 402 417 489 670 695 815 834 978 1005 1390 1630 2010 2085 2445 4170 4890 9313 10921 18626 21842 22657 27939 32763 45314 46565 54605 55878 65526 67971 93130 109210 113285 135942 139695 163815 226570 279390 327630 339855 679710 1518019 3036038 4554057 7590095 9108114 15180190 22770285 45540570