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421323124 = 22443237767
BaseRepresentation
bin11001000111001…
…110000101110100
31002100210102200011
4121013032011310
51330324314444
6105450230004
713304121205
oct3107160564
91070712604
10421323124
111a690a332
12b9125304
1369399031
143dd555ac
1526ec6734
hex191ce174

421323124 has 12 divisors (see below), whose sum is σ = 738982944. Its totient is φ = 210185144.

The previous prime is 421323109. The next prime is 421323127.

421323124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 421323095 and 421323104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421323127) 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, 117112 + ... + 120655.

It is an arithmetic number, because the mean of its divisors is an integer number (61581912).

Almost surely, 2421323124 is an apocalyptic number.

It is an amenable number.

421323124 is a deficient number, since it is larger than the sum of its proper divisors (317659820).

421323124 is a wasteful number, since it uses less digits than its factorization.

421323124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238214 (or 238212 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 421323124 is about 20526.1570684822. The cubic root of 421323124 is about 749.6728196618.

The spelling of 421323124 in words is "four hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 443 886 1772 237767 475534 951068 105330781 210661562 421323124