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423081197 = 71131717333
BaseRepresentation
bin11001001101111…
…011010011101101
31002111002202021222
4121031323103231
51331302044242
6105552033125
713325062610
oct3115732355
91074082258
10423081197
111a7900190
12b98327a5
1369863306
1440292177
15272225d2
hex1937b4ed

423081197 has 16 divisors (see below), whose sum is σ = 529172352. Its totient is φ = 328614720.

The previous prime is 423081181. The next prime is 423081229. The reversal of 423081197 is 791180324.

It is not a de Polignac number, because 423081197 - 24 = 423081181 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 (423081157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15743 + ... + 33075.

It is an arithmetic number, because the mean of its divisors is an integer number (33073272).

Almost surely, 2423081197 is an apocalyptic number.

It is an amenable number.

423081197 is a deficient number, since it is larger than the sum of its proper divisors (106091155).

423081197 is a wasteful number, since it uses less digits than its factorization.

423081197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 423081197 is about 20568.9376731031. The cubic root of 423081197 is about 750.7141032670.

The spelling of 423081197 in words is "four hundred twenty-three million, eighty-one thousand, one hundred ninety-seven".

Divisors: 1 7 11 77 317 2219 3487 17333 24409 121331 190663 1334641 5494561 38461927 60440171 423081197