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420994112 = 2671185429
BaseRepresentation
bin11001000101111…
…101110001000000
31002100011201100112
4121011331301000
51330233302422
6105435210452
713301251040
oct3105756100
91070151315
10420994112
111a6705120
12b8ba6a28
13692b2356
143dcab720
1526e5dee2
hex1917dc40

420994112 has 56 divisors (see below), whose sum is σ = 1041562560. Its totient is φ = 164021760.

The previous prime is 420994111. The next prime is 420994117. The reversal of 420994112 is 211499024.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (420994111) 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, 37787 + ... + 47642.

Almost surely, 2420994112 is an apocalyptic number.

It is an amenable number.

420994112 is an abundant number, since it is smaller than the sum of its proper divisors (620568448).

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

420994112 is a wasteful number, since it uses less digits than its factorization.

420994112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85459 (or 85449 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 420994112 is about 20518.1410464009. The cubic root of 420994112 is about 749.4776285515.

The spelling of 420994112 in words is "four hundred twenty million, nine hundred ninety-four thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 85429 170858 341716 598003 683432 939719 1196006 1366864 1879438 2392012 2733728 3758876 4784024 5467456 6578033 7517752 9568048 13156066 15035504 19136096 26312132 30071008 38272192 52624264 60142016 105248528 210497056 420994112