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420091936 = 25111193443
BaseRepresentation
bin11001000010100…
…001100000100000
31002021110212210121
4121002201200200
51330020420221
6105404010024
713260502555
oct3102414040
91067425717
10420091936
111a6149320
12b8830914
1369057814
143db14a2c
1526d31a41
hex190a1820

420091936 has 24 divisors (see below), whose sum is σ = 902243664. Its totient is φ = 190950720.

The previous prime is 420091907. The next prime is 420091937. The reversal of 420091936 is 639190024.

It is not an unprimeable number, because it can be changed into a prime (420091937) 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, 596370 + ... + 597073.

It is an arithmetic number, because the mean of its divisors is an integer number (37593486).

Almost surely, 2420091936 is an apocalyptic number.

It is an amenable number.

420091936 is an abundant number, since it is smaller than the sum of its proper divisors (482151728).

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

420091936 is a wasteful number, since it uses less digits than its factorization.

420091936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193464 (or 1193456 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 420091936 is about 20496.1444179143. The cubic root of 420091936 is about 748.9418773521.

The spelling of 420091936 in words is "four hundred twenty million, ninety-one thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1193443 2386886 4773772 9547544 13127873 19095088 26255746 38190176 52511492 105022984 210045968 420091936