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420994754 = 21791175963
BaseRepresentation
bin11001000101111…
…101111011000010
31002100011202020022
4121011331323002
51330233313004
6105435213442
713301252645
oct3105757302
91070152208
10420994754
111a6705654
12b8ba7282
13692b272b
143dcaba5c
1526e5e2be
hex1917dec2

420994754 has 8 divisors (see below), whose sum is σ = 635020560. Its totient is φ = 209321236.

The previous prime is 420994753. The next prime is 420994757. The reversal of 420994754 is 457499024.

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

It is not an unprimeable number, because it can be changed into a prime (420994753) 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, 587624 + ... + 588339.

It is an arithmetic number, because the mean of its divisors is an integer number (79377570).

Almost surely, 2420994754 is an apocalyptic number.

420994754 is a deficient number, since it is larger than the sum of its proper divisors (214025806).

420994754 is a wasteful number, since it uses less digits than its factorization.

420994754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176144.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 420994754 is about 20518.1566910870. The cubic root of 420994754 is about 749.4780095263.

The spelling of 420994754 in words is "four hundred twenty million, nine hundred ninety-four thousand, seven hundred fifty-four".

Divisors: 1 2 179 358 1175963 2351926 210497377 420994754