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40248860 = 22517432753
BaseRepresentation
bin1001100110001…
…0011000011100
32210201212001112
42121202120130
540300430420
63554401152
7666052421
oct231423034
983655045
1040248860
11207a0623
12115901b8
138452bc2
1454b9d48
1538008c5
hex266261c

40248860 has 48 divisors (see below), whose sum is σ = 91609056. Its totient is φ = 14794752.

The previous prime is 40248847. The next prime is 40248869. The reversal of 40248860 is 6884204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40248869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244 + ... + 15996.

It is an arithmetic number, because the mean of its divisors is an integer number (1908522).

Almost surely, 240248860 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 40248860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45804528).

40248860 is an abundant number, since it is smaller than the sum of its proper divisors (51360196).

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

40248860 is a wasteful number, since it uses less digits than its factorization.

40248860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40248860 is about 6344.1989250023. The cubic root of 40248860 is about 342.7029645740.

The spelling of 40248860 in words is "forty million, two hundred forty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 43 68 85 86 170 172 215 340 430 731 860 1462 2753 2924 3655 5506 7310 11012 13765 14620 27530 46801 55060 93602 118379 187204 234005 236758 468010 473516 591895 936020 1183790 2012443 2367580 4024886 8049772 10062215 20124430 40248860