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40641048 = 2333726879
BaseRepresentation
bin1001101100001…
…0001000011000
32211110210001000
42123002020120
540401003143
64011025000
71002305010
oct233021030
984423030
1040641048
1120a39248
121173b160
13855c576
14557cc40
15387bbd3
hex26c2218

40641048 has 64 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 11611296.

The previous prime is 40641043. The next prime is 40641053. The reversal of 40641048 is 84014604.

It is an interprime number because it is at equal distance from previous prime (40641043) and next prime (40641053).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40641043) 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, 11928 + ... + 14951.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 240641048 is an apocalyptic number.

It is an amenable number.

40641048 is an abundant number, since it is smaller than the sum of its proper divisors (88382952).

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

40641048 is a wasteful number, since it uses less digits than its factorization.

40641048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26901 (or 26891 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40641048 is about 6375.0331763843. The cubic root of 40641048 is about 343.8124766662.

The spelling of 40641048 in words is "forty million, six hundred forty-one thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 26879 53758 80637 107516 161274 188153 215032 241911 322548 376306 483822 564459 645096 725733 752612 967644 1128918 1451466 1505224 1693377 1935288 2257836 2902932 3386754 4515672 5080131 5805864 6773508 10160262 13547016 20320524 40641048