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227420601 = 31032772657
BaseRepresentation
bin11011000111000…
…10100110111001
3120211221011102020
431203202212321
5431204424401
634322225053
75431020552
oct1543424671
9524834366
10227420601
11107411511
12641b5189
1338168205
14222bd329
1514e73d36
hexd8e29b9

227420601 has 16 divisors (see below), whose sum is σ = 307392384. Its totient is φ = 149543424.

The previous prime is 227420561. The next prime is 227420617. The reversal of 227420601 is 106024722.

It is not a de Polignac number, because 227420601 - 226 = 160311737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227420621) 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, 84265 + ... + 86921.

It is an arithmetic number, because the mean of its divisors is an integer number (19212024).

Almost surely, 2227420601 is an apocalyptic number.

It is an amenable number.

227420601 is a deficient number, since it is larger than the sum of its proper divisors (79971783).

227420601 is a wasteful number, since it uses less digits than its factorization.

227420601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 227420601 is about 15080.4708480869. The cubic root of 227420601 is about 610.3935478892.

The spelling of 227420601 in words is "two hundred twenty-seven million, four hundred twenty thousand, six hundred one".

Divisors: 1 3 103 277 309 831 2657 7971 28531 85593 273671 735989 821013 2207967 75806867 227420601