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9940049 = 71797933
BaseRepresentation
bin100101111010…
…110001010001
3200201000011222
4211322301101
510021040144
6553014425
7150326510
oct45726121
920630158
109940049
11567a119
1233b4415
1320a04b2
14146a677
15d152ee
hex97ac51

9940049 has 8 divisors (see below), whose sum is σ = 11424960. Its totient is φ = 8471376.

The previous prime is 9940043. The next prime is 9940067. The reversal of 9940049 is 9400499.

9940049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9940049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9940043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (1428120).

Almost surely, 29940049 is an apocalyptic number.

It is an amenable number.

9940049 is a deficient number, since it is larger than the sum of its proper divisors (1484911).

9940049 is a wasteful number, since it uses less digits than its factorization.

9940049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9940049 is about 3152.7843250054. The cubic root of 9940049 is about 215.0120707122.

It can be divided in two parts, 9 and 940049, that multiplied together give a triangular number (8460441 = T4113).

The spelling of 9940049 in words is "nine million, nine hundred forty thousand, forty-nine".

Divisors: 1 7 179 1253 7933 55531 1420007 9940049