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472272242 = 21397271691
BaseRepresentation
bin11100001001100…
…100110101110010
31012220122220201112
4130021210311302
51431400202432
6114510233322
714463151001
oct3411446562
91186586645
10472272242
11222649142
121121b5842
1376ac7440
1446a18c38
152b6dc7b2
hex1c264d72

472272242 has 32 divisors (see below), whose sum is σ = 774729984. Its totient is φ = 214617600.

The previous prime is 472272239. The next prime is 472272247. The reversal of 472272242 is 242272274.

It is a junction number, because it is equal to n+sod(n) for n = 472272199 and 472272208.

It is not an unprimeable number, because it can be changed into a prime (472272247) 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, 683117 + ... + 683807.

It is an arithmetic number, because the mean of its divisors is an integer number (24210312).

Almost surely, 2472272242 is an apocalyptic number.

472272242 is a deficient number, since it is larger than the sum of its proper divisors (302457742).

472272242 is a wasteful number, since it uses less digits than its factorization.

472272242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 25088, while the sum is 32.

The square root of 472272242 is about 21731.8255560825. The cubic root of 472272242 is about 778.7489489133.

Adding to 472272242 its sum of digits (32), we get a palindrome (472272274).

The spelling of 472272242 in words is "four hundred seventy-two million, two hundred seventy-two thousand, two hundred forty-two".

Divisors: 1 2 13 26 97 194 271 542 691 1261 1382 2522 3523 7046 8983 17966 26287 52574 67027 134054 187261 341731 374522 683462 871351 1742702 2434393 4868786 18164317 36328634 236136121 472272242