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40693716 = 223272172359
BaseRepresentation
bin1001101100111…
…0111111010100
32211120110021200
42123032333110
540404144331
64012112500
71002614400
oct233167724
984513250
1040693716
1120a74878
1211765730
13857a52b
145594100
15388c5e6
hex26cefd4

40693716 has 216 divisors, whose sum is σ = 134447040. Its totient is φ = 10289664.

The previous prime is 40693711. The next prime is 40693753. The reversal of 40693716 is 61739604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40693711) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 689695 + ... + 689753.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 240693716 is an apocalyptic number.

40693716 is a gapful number since it is divisible by the number (46) 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 40693716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

40693716 is an abundant number, since it is smaller than the sum of its proper divisors (93753324).

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

40693716 is a wasteful number, since it uses less digits than its factorization.

40693716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40693716 is about 6379.1626409741. The cubic root of 40693716 is about 343.9609316547.

The spelling of 40693716 in words is "forty million, six hundred ninety-three thousand, seven hundred sixteen".