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420941107 = 1778923663
BaseRepresentation
bin11001000101110…
…000110100110011
31002100002000122101
4121011300310303
51330230103412
6105434121231
713300640356
oct3105606463
91070060571
10420941107
111a6679314
12b8b80217
13692941a2
143dc9629d
1526e4d457
hex19170d33

420941107 has 4 divisors (see below), whose sum is σ = 420982560. Its totient is φ = 420899656.

The previous prime is 420941089. The next prime is 420941113. The reversal of 420941107 is 701149024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420941107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420941117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5958 + ... + 29620.

It is an arithmetic number, because the mean of its divisors is an integer number (105245640).

Almost surely, 2420941107 is an apocalyptic number.

420941107 is a deficient number, since it is larger than the sum of its proper divisors (41453).

420941107 is a wasteful number, since it uses less digits than its factorization.

420941107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41452.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 420941107 is about 20516.8493438929. The cubic root of 420941107 is about 749.4461730609.

The spelling of 420941107 in words is "four hundred twenty million, nine hundred forty-one thousand, one hundred seven".

Divisors: 1 17789 23663 420941107