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40301020 = 22571101281
BaseRepresentation
bin1001100110111…
…1000111011100
32210211111121101
42121233013130
540304113040
63555442444
7666360454
oct231570734
983744541
1040301020
1120826831
12115b6424
138470876
1454d0d64
15381109a
hex266f1dc

40301020 has 48 divisors (see below), whose sum is σ = 86982336. Its totient is φ = 15680000.

The previous prime is 40301017. The next prime is 40301021. The reversal of 40301020 is 2010304.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 40300988 and 40301006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40301021) 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, 143280 + ... + 143560.

It is an arithmetic number, because the mean of its divisors is an integer number (1812132).

Almost surely, 240301020 is an apocalyptic number.

It is an amenable number.

40301020 is an abundant number, since it is smaller than the sum of its proper divisors (46681316).

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

40301020 is a wasteful number, since it uses less digits than its factorization.

40301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40301020 is about 6348.3084361112. The cubic root of 40301020 is about 342.8509411907.

Adding to 40301020 its reverse (2010304), we get a palindrome (42311324).

It can be divided in two parts, 4030 and 1020, that added together give a triangular number (5050 = T100).

The spelling of 40301020 in words is "forty million, three hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 71 101 142 202 281 284 355 404 505 562 710 1010 1124 1405 1420 2020 2810 5620 7171 14342 19951 28381 28684 35855 39902 56762 71710 79804 99755 113524 141905 143420 199510 283810 399020 567620 2015051 4030102 8060204 10075255 20150510 40301020