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41749940 = 2252087497
BaseRepresentation
bin1001111101000…
…0110110110100
32220120010011002
42133100312310
541141444230
64050502432
71014603641
oct237206664
986503132
1041749940
1121626391
1211b94a18
13885a20b
14578adc8
1539ea545
hex27d0db4

41749940 has 12 divisors (see below), whose sum is σ = 87674916. Its totient is φ = 16699968.

The previous prime is 41749933. The next prime is 41749969. The reversal of 41749940 is 4994714.

It can be written as a sum of positive squares in 2 ways, for example, as 24344356 + 17405584 = 4934^2 + 4172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41749894 and 41749903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043729 + ... + 1043768.

It is an arithmetic number, because the mean of its divisors is an integer number (7306243).

Almost surely, 241749940 is an apocalyptic number.

It is an amenable number.

41749940 is an abundant number, since it is smaller than the sum of its proper divisors (45924976).

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

41749940 is a wasteful number, since it uses less digits than its factorization.

41749940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087506 (or 2087504 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 41749940 is about 6461.4193487190. The cubic root of 41749940 is about 346.9114375055.

The spelling of 41749940 in words is "forty-one million, seven hundred forty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2087497 4174994 8349988 10437485 20874970 41749940