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420192235 = 5563149269
BaseRepresentation
bin11001000010111…
…001111111101011
31002021122222101101
4121002321333223
51330032122420
6105410102231
713261401151
oct3102717753
91067588341
10420192235
111a6207711
12b887a977
1369091378
143db3d3d1
1526d5160a
hex190b9feb

420192235 has 8 divisors (see below), whose sum is σ = 505129680. Its totient is φ = 335554464.

The previous prime is 420192233. The next prime is 420192251. The reversal of 420192235 is 532291024.

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

It is a cyclic number.

It is not a de Polignac number, because 420192235 - 21 = 420192233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420192233) 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, 71820 + ... + 77449.

It is an arithmetic number, because the mean of its divisors is an integer number (63141210).

Almost surely, 2420192235 is an apocalyptic number.

420192235 is a deficient number, since it is larger than the sum of its proper divisors (84937445).

420192235 is a wasteful number, since it uses less digits than its factorization.

420192235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149837.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 420192235 is about 20498.5910491429. The cubic root of 420192235 is about 749.0014771186.

The spelling of 420192235 in words is "four hundred twenty million, one hundred ninety-two thousand, two hundred thirty-five".

Divisors: 1 5 563 2815 149269 746345 84038447 420192235