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107221415 = 578934421
BaseRepresentation
bin1100110010000…
…01000110100111
321110202102010112
412121001012213
5204422041130
614350043235
72441236610
oct631010647
9243672115
10107221415
1155584044
122baa951b
13192a1732
1410350c07
15962e495
hex66411a7

107221415 has 16 divisors (see below), whose sum is σ = 148703040. Its totient is φ = 72695040.

The previous prime is 107221409. The next prime is 107221417. The reversal of 107221415 is 514122701.

It is not a de Polignac number, because 107221415 - 210 = 107220391 is a prime.

It is a super-2 number, since 2×1072214152 = 22992863669204450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107221417) 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, 14096 + ... + 20325.

It is an arithmetic number, because the mean of its divisors is an integer number (9293940).

Almost surely, 2107221415 is an apocalyptic number.

107221415 is a deficient number, since it is larger than the sum of its proper divisors (41481625).

107221415 is an equidigital number, since it uses as much as digits as its factorization.

107221415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34522.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 107221415 is about 10354.7773998285. Note that the first 3 decimals coincide. The cubic root of 107221415 is about 475.0731780147.

The spelling of 107221415 in words is "one hundred seven million, two hundred twenty-one thousand, four hundred fifteen".

Divisors: 1 5 7 35 89 445 623 3115 34421 172105 240947 1204735 3063469 15317345 21444283 107221415