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225719097 = 3971934019
BaseRepresentation
bin11010111010000…
…11001100111001
3120201201201101120
431131003030321
5430241002342
634221535453
75410403112
oct1535031471
9521651346
10225719097
1110645a10a
1263714589
13379c08c6
1421d99209
1514c39aec
hexd743339

225719097 has 16 divisors (see below), whose sum is σ = 305712960. Its totient is φ = 148119552.

The previous prime is 225719089. The next prime is 225719099. The reversal of 225719097 is 790917522.

It is not a de Polignac number, because 225719097 - 23 = 225719089 is a prime.

It is a super-2 number, since 2×2257190972 = 101898221500990818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225719099) 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, 54154 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (19107060).

Almost surely, 2225719097 is an apocalyptic number.

It is an amenable number.

225719097 is a deficient number, since it is larger than the sum of its proper divisors (79993863).

225719097 is a wasteful number, since it uses less digits than its factorization.

225719097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 225719097 is about 15023.9507786734. The cubic root of 225719097 is about 608.8674650451.

The spelling of 225719097 in words is "two hundred twenty-five million, seven hundred nineteen thousand, ninety-seven".

Divisors: 1 3 97 193 291 579 4019 12057 18721 56163 389843 775667 1169529 2327001 75239699 225719097