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40100960 = 2551723641
BaseRepresentation
bin1001100011111…
…0010001100000
32210110100011202
42120332101200
540231212320
63551300332
7664565264
oct230762140
983410152
1040100960
11206aa499
121151a6a8
1384007a3
14547c0a4
1537c1b75
hex263e460

40100960 has 96 divisors (see below), whose sum is σ = 104836032. Its totient is φ = 14417920.

The previous prime is 40100959. The next prime is 40100969. The reversal of 40100960 is 6900104.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100969) 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, 62240 + ... + 62880.

It is an arithmetic number, because the mean of its divisors is an integer number (1092042).

Almost surely, 240100960 is an apocalyptic number.

40100960 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 40100960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52418016).

40100960 is an abundant number, since it is smaller than the sum of its proper divisors (64735072).

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

40100960 is a wasteful number, since it uses less digits than its factorization.

40100960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40100960 is about 6332.5318791144. The cubic root of 40100960 is about 342.2826795484.

The spelling of 40100960 in words is "forty million, one hundred thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 23 32 34 40 46 68 80 85 92 115 136 160 170 184 230 272 340 368 391 460 544 641 680 736 782 920 1282 1360 1564 1840 1955 2564 2720 3128 3205 3680 3910 5128 6256 6410 7820 10256 10897 12512 12820 14743 15640 20512 21794 25640 29486 31280 43588 51280 54485 58972 62560 73715 87176 102560 108970 117944 147430 174352 217940 235888 250631 294860 348704 435880 471776 501262 589720 871760 1002524 1179440 1253155 1743520 2005048 2358880 2506310 4010096 5012620 8020192 10025240 20050480 40100960