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421031010 = 23517825551
BaseRepresentation
bin11001000110000…
…110110001100010
31002100020120222010
4121012012301202
51330240443020
6105440053350
713301463441
oct3106066142
91070216863
10421031010
111a672a914
12b9004256
13692c609a
143dcbad58
1526e69de0
hex19186c62

421031010 has 32 divisors (see below), whose sum is σ = 1069915392. Its totient is φ = 105670400.

The previous prime is 421030997. The next prime is 421031047. The reversal of 421031010 is 10130124.

It is a happy number.

It is a super-2 number, since 2×4210310102 = 354534222763240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412266 + ... + 413285.

It is an arithmetic number, because the mean of its divisors is an integer number (33434856).

Almost surely, 2421031010 is an apocalyptic number.

421031010 is an abundant number, since it is smaller than the sum of its proper divisors (648884382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421031010 is a wasteful number, since it uses less digits than its factorization.

421031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825578.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 421031010 is about 20519.0401822307. The cubic root of 421031010 is about 749.4995238836.

Adding to 421031010 its reverse (10130124), we get a palindrome (431161134).

The spelling of 421031010 in words is "four hundred twenty-one million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 825551 1651102 2476653 4127755 4953306 8255510 12383265 14034367 24766530 28068734 42103101 70171835 84206202 140343670 210515505 421031010