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40045060 = 22511191953
BaseRepresentation
bin1001100011000…
…0101000000100
32210100111111101
42120300220010
540222420220
63550145444
7664243306
oct230605004
983314441
1040045060
11206714a0
12114b2284
1383b1203
145465976
1537b030a
hex2630a04

40045060 has 48 divisors (see below), whose sum is σ = 92316672. Its totient is φ = 14470400.

The previous prime is 40045037. The next prime is 40045067. The reversal of 40045060 is 6054004.

It is not an unprimeable number, because it can be changed into a prime (40045067) 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, 41544 + ... + 42496.

It is an arithmetic number, because the mean of its divisors is an integer number (1923264).

Almost surely, 240045060 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 40045060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46158336).

40045060 is an abundant number, since it is smaller than the sum of its proper divisors (52271612).

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

40045060 is a wasteful number, since it uses less digits than its factorization.

40045060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40045060 is about 6328.1166234512. The cubic root of 40045060 is about 342.1235603377.

Adding to 40045060 its reverse (6054004), we get a palindrome (46099064).

The spelling of 40045060 in words is "forty million, forty-five thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 191 220 382 764 953 955 1906 1910 2101 3812 3820 4202 4765 8404 9530 10483 10505 19060 20966 21010 41932 42020 52415 104830 182023 209660 364046 728092 910115 1820230 2002253 3640460 4004506 8009012 10011265 20022530 40045060