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407381996 = 22740935573
BaseRepresentation
bin11000010010000…
…010011111101100
31001101120011001002
4120102002133230
51313242210441
6104231335432
713044455420
oct3022023754
91041504032
10407381996
11199a5813a
12b4521578
1366527648
143c166b80
1525b70b9b
hex184827ec

407381996 has 24 divisors (see below), whose sum is σ = 816779040. Its totient is φ = 174160512.

The previous prime is 407381993. The next prime is 407382007. The reversal of 407381996 is 699183704.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 407381996.

It is not an unprimeable number, because it can be changed into a prime (407381993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6335 + ... + 29238.

It is an arithmetic number, because the mean of its divisors is an integer number (34032460).

Almost surely, 2407381996 is an apocalyptic number.

It is an amenable number.

407381996 is an abundant number, since it is smaller than the sum of its proper divisors (409397044).

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

407381996 is a wasteful number, since it uses less digits than its factorization.

407381996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35993 (or 35991 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 407381996 is about 20183.7062007947. The cubic root of 407381996 is about 741.3112835003.

The spelling of 407381996 in words is "four hundred seven million, three hundred eighty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 409 818 1636 2863 5726 11452 35573 71146 142292 249011 498022 996044 14549357 29098714 58197428 101845499 203690998 407381996