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421155106 = 2359586567
BaseRepresentation
bin11001000110100…
…101000100100010
31002100110220012021
4121012211010202
51330303430411
6105442452054
713302521311
oct3106450442
91070426167
10421155106
111a6805079
12b906402a
136933a708
143dd10278
1526e91a71
hex191a5122

421155106 has 8 divisors (see below), whose sum is σ = 633493440. Its totient is φ = 209990628.

The previous prime is 421155101. The next prime is 421155131. The reversal of 421155106 is 601551124.

It is a happy number.

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 (421155101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292566 + ... + 294001.

It is an arithmetic number, because the mean of its divisors is an integer number (79186680).

Almost surely, 2421155106 is an apocalyptic number.

421155106 is a deficient number, since it is larger than the sum of its proper divisors (212338334).

421155106 is a wasteful number, since it uses less digits than its factorization.

421155106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586928.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 421155106 is about 20522.0638825631. The cubic root of 421155106 is about 749.5731532634.

The spelling of 421155106 in words is "four hundred twenty-one million, one hundred fifty-five thousand, one hundred six".

Divisors: 1 2 359 718 586567 1173134 210577553 421155106