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420101097 = 31383233557
BaseRepresentation
bin11001000010100…
…011101111101001
31002021111100100220
4121002203233221
51330021213342
6105404120253
713260541353
oct3102435751
91067440326
10420101097
111a6155199
12b8836089
136905ba40
143db180d3
1526d345ec
hex190a3be9

420101097 has 32 divisors (see below), whose sum is σ = 614210688. Its totient is φ = 253856256.

The previous prime is 420101069. The next prime is 420101111. The reversal of 420101097 is 790101024.

It is not a de Polignac number, because 420101097 - 27 = 420100969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420101197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753943 + ... + 754499.

It is an arithmetic number, because the mean of its divisors is an integer number (19194084).

Almost surely, 2420101097 is an apocalyptic number.

It is an amenable number.

420101097 is a deficient number, since it is larger than the sum of its proper divisors (194109591).

420101097 is a wasteful number, since it uses less digits than its factorization.

420101097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 420101097 is about 20496.3678977520. The cubic root of 420101097 is about 748.9473214038.

The spelling of 420101097 in words is "four hundred twenty million, one hundred one thousand, ninety-seven".

Divisors: 1 3 13 39 83 233 249 557 699 1079 1671 3029 3237 7241 9087 19339 21723 46231 58017 129781 138693 251407 389343 601003 754221 1687153 1803009 5061459 10771823 32315469 140033699 420101097