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427722425 = 521310211289
BaseRepresentation
bin11001011111101…
…000011010111001
31002210211112212022
4121133220122321
51333444104200
6110235324225
713412403104
oct3137503271
91083745768
10427722425
111aa490209
12bb2b0675
136a7c99c0
1440b3d73b
152783c885
hex197e86b9

427722425 has 24 divisors (see below), whose sum is σ = 572176920. Its totient is φ = 315302400.

The previous prime is 427722409. The next prime is 427722437. The reversal of 427722425 is 524227724.

It can be written as a sum of positive squares in 12 ways, for example, as 105842944 + 321879481 = 10288^2 + 17941^2 .

It is not a de Polignac number, because 427722425 - 24 = 427722409 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 331181 + ... + 332469.

It is an arithmetic number, because the mean of its divisors is an integer number (23840705).

Almost surely, 2427722425 is an apocalyptic number.

It is an amenable number.

427722425 is a deficient number, since it is larger than the sum of its proper divisors (144454495).

427722425 is a wasteful number, since it uses less digits than its factorization.

427722425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2328 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 427722425 is about 20681.4512305109. The cubic root of 427722425 is about 753.4492532915.

The spelling of 427722425 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 1021 1289 5105 6445 13273 16757 25525 32225 66365 83785 331825 418925 1316069 6580345 17108897 32901725 85544485 427722425