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9940030 = 254721149
BaseRepresentation
bin100101111010…
…110000111110
3200201000011021
4211322300332
510021040110
6553014354
7150326452
oct45726076
920630137
109940030
11567a101
1233b43ba
1320a0499
14146a662
15d152da
hex97ac3e

9940030 has 16 divisors (see below), whose sum is σ = 18273600. Its totient is φ = 3891232.

The previous prime is 9940027. The next prime is 9940031. The reversal of 9940030 is 300499.

It is a junction number, because it is equal to n+sod(n) for n = 9939977 and 9940004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940031) 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, 10105 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (1142100).

Almost surely, 29940030 is an apocalyptic number.

9940030 is a deficient number, since it is larger than the sum of its proper divisors (8333570).

9940030 is a wasteful number, since it uses less digits than its factorization.

9940030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 9940030 is about 3152.7813117944. The cubic root of 9940030 is about 215.0119337165.

The spelling of 9940030 in words is "nine million, nine hundred forty thousand, thirty".

Divisors: 1 2 5 10 47 94 235 470 21149 42298 105745 211490 994003 1988006 4970015 9940030