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BaseRepresentation
bin1001110001100…
…1110001000000
32212011000102112
42130121301000
540444000000
64022434452
71005331346
oct234316100
985130375
1041000000
11211639a8
1211892a28
138656a72
145633996
1538ed235
hex2719c40

41000000 has 98 divisors (see below), whose sum is σ = 104178354. Its totient is φ = 16000000.

The previous prime is 40999999. The next prime is 41000017. The reversal of 41000000 is 14.

Adding to 41000000 its reverse (14), we get a palindrome (41000014).

It can be written as a sum of positive squares in 7 ways, for example, as 37063744 + 3936256 = 6088^2 + 1984^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 999980 + ... + 1000020.

Almost surely, 241000000 is an apocalyptic number.

41000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52089177).

41000000 is an abundant number, since it is smaller than the sum of its proper divisors (63178354).

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

41000000 is an frugal number, since it uses more digits than its factorization.

41000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 41000000 is about 6403.1242374328. The cubic root of 41000000 is about 344.8217240383.

The spelling of 41000000 in words is "forty-one million", and thus it is an aban number and an uban number.