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40930648 = 2311716551
BaseRepresentation
bin1001110000100…
…0110101011000
32212000111021221
42130020311120
540434240043
64021141424
71004622223
oct234106530
985014257
1040930648
1121116890
121185a874
138631325
1456165ba
1538d78ed
hex2708d58

40930648 has 32 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 18340000.

The previous prime is 40930627. The next prime is 40930651. The reversal of 40930648 is 84603904.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2973 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 240930648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40930648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42456960).

40930648 is an abundant number, since it is smaller than the sum of its proper divisors (43983272).

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

40930648 is a wasteful number, since it uses less digits than its factorization.

40930648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639 (or 6635 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40930648 is about 6397.7064640385. The cubic root of 40930648 is about 344.6271909282.

The spelling of 40930648 in words is "forty million, nine hundred thirty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 71 88 142 284 568 781 1562 3124 6248 6551 13102 26204 52408 72061 144122 288244 465121 576488 930242 1860484 3720968 5116331 10232662 20465324 40930648