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415220146 = 21145741299
BaseRepresentation
bin11000101111111…
…100000110110010
31001221022100221221
4120233330012302
51322244021041
6105111335254
713201212235
oct3057740662
91057270857
10415220146
111a3421050
12b708152a
13680401c3
143d20741c
15266bd2d1
hex18bfc1b2

415220146 has 16 divisors (see below), whose sum is σ = 680954400. Its totient is φ = 188318880.

The previous prime is 415220123. The next prime is 415220159. The reversal of 415220146 is 641022514.

It is a happy number.

It is a super-2 number, since 2×4152201462 = 344815539288522632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 415220146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 30703.

It is an arithmetic number, because the mean of its divisors is an integer number (42559650).

Almost surely, 2415220146 is an apocalyptic number.

415220146 is a deficient number, since it is larger than the sum of its proper divisors (265734254).

415220146 is a wasteful number, since it uses less digits than its factorization.

415220146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41769.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 415220146 is about 20376.9513421414. The cubic root of 415220146 is about 746.0354630028.

The spelling of 415220146 in words is "four hundred fifteen million, two hundred twenty thousand, one hundred forty-six".

Divisors: 1 2 11 22 457 914 5027 10054 41299 82598 454289 908578 18873643 37747286 207610073 415220146