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421311356 = 22105327839
BaseRepresentation
bin11001000111001…
…011001101111100
31002100202211112022
4121013023031330
51330323430411
6105450055312
713304041664
oct3107131574
91070684468
10421311356
111a6901504
12b911a538
136939387b
143dd511a4
1526ec2edb
hex191cb37c

421311356 has 6 divisors (see below), whose sum is σ = 737294880. Its totient is φ = 210655676.

The previous prime is 421311353. The next prime is 421311419. The reversal of 421311356 is 653113124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421311353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52663916 + ... + 52663923.

It is an arithmetic number, because the mean of its divisors is an integer number (122882480).

Almost surely, 2421311356 is an apocalyptic number.

It is an amenable number.

421311356 is a deficient number, since it is larger than the sum of its proper divisors (315983524).

421311356 is a wasteful number, since it uses less digits than its factorization.

421311356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105327843 (or 105327841 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 421311356 is about 20525.8704078536. The cubic root of 421311356 is about 749.6658398789.

The spelling of 421311356 in words is "four hundred twenty-one million, three hundred eleven thousand, three hundred fifty-six".

Divisors: 1 2 4 105327839 210655678 421311356