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41780040 = 2335421827
BaseRepresentation
bin1001111101100…
…0001101001000
32220121122102220
42133120031020
541143430130
64051254040
71015060461
oct237301510
986548386
1041780040
1121646a65
1211baa320
13886ab23
145797d68
153a04410
hex27d8348

41780040 has 64 divisors (see below), whose sum is σ = 125789760. Its totient is φ = 11101440.

The previous prime is 41780023. The next prime is 41780087. The reversal of 41780040 is 4008714.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50107 + ... + 50933.

It is an arithmetic number, because the mean of its divisors is an integer number (1965465).

Almost surely, 241780040 is an apocalyptic number.

41780040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41780040 is an abundant number, since it is smaller than the sum of its proper divisors (84009720).

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

41780040 is a wasteful number, since it uses less digits than its factorization.

41780040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 41780040 is about 6463.7481386576. The cubic root of 41780040 is about 346.9947871331.

Adding to 41780040 its reverse (4008714), we get a palindrome (45788754).

The spelling of 41780040 in words is "forty-one million, seven hundred eighty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 421 827 842 1263 1654 1684 2105 2481 2526 3308 3368 4135 4210 4962 5052 6315 6616 8270 8420 9924 10104 12405 12630 16540 16840 19848 24810 25260 33080 49620 50520 99240 348167 696334 1044501 1392668 1740835 2089002 2785336 3481670 4178004 5222505 6963340 8356008 10445010 13926680 20890020 41780040