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427790272 = 2671373453
BaseRepresentation
bin11001011111111…
…000111111000000
31002210221222221011
4121133320333000
51334003242042
6110241010304
713413104650
oct3137707700
91083858834
10427790272
111aa527188
12bb323994
136a821850
1440b5a360
1527852a17
hex197f8fc0

427790272 has 56 divisors (see below), whose sum is σ = 1044809696. Its totient is φ = 169233408.

The previous prime is 427790267. The next prime is 427790299. The reversal of 427790272 is 272097724.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30903 + ... + 42550.

It is an arithmetic number, because the mean of its divisors is an integer number (18657316).

Almost surely, 2427790272 is an apocalyptic number.

It is an amenable number.

427790272 is an abundant number, since it is smaller than the sum of its proper divisors (617019424).

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

427790272 is a wasteful number, since it uses less digits than its factorization.

427790272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73485 (or 73475 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 427790272 is about 20683.0914517149. The cubic root of 427790272 is about 753.4890895387.

It can be divided in two parts, 4277 and 90272, that added together give a palindrome (94549).

The spelling of 427790272 in words is "four hundred twenty-seven million, seven hundred ninety thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 364 416 448 728 832 1456 2912 5824 73453 146906 293812 514171 587624 954889 1028342 1175248 1909778 2056684 2350496 3819556 4113368 4700992 6684223 7639112 8226736 13368446 15278224 16453472 26736892 30556448 32906944 53473784 61112896 106947568 213895136 427790272