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420527973 = 3424333037
BaseRepresentation
bin11001000100001…
…011111101100101
31002022022000221010
4121010023331211
51330123343343
6105421212433
713264300035
oct3104137545
91068260833
10420527973
111a6416988
12b8a01119
136917b128
143dbc98c5
1526dbad33
hex1910bf65

420527973 has 8 divisors (see below), whose sum is σ = 560853088. Its totient is φ = 280277424.

The previous prime is 420527971. The next prime is 420527983. The reversal of 420527973 is 379725024.

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

It is not a de Polignac number, because 420527973 - 21 = 420527971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420527971) 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, 3790 + ... + 29247.

It is an arithmetic number, because the mean of its divisors is an integer number (70106636).

Almost surely, 2420527973 is an apocalyptic number.

It is an amenable number.

420527973 is a deficient number, since it is larger than the sum of its proper divisors (140325115).

420527973 is a wasteful number, since it uses less digits than its factorization.

420527973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37283.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 420527973 is about 20506.7787085149. The cubic root of 420527973 is about 749.2009106885.

The spelling of 420527973 in words is "four hundred twenty million, five hundred twenty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 4243 12729 33037 99111 140175991 420527973