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1206225530 = 253711232903
BaseRepresentation
bin100011111100101…
…1000101001111010
310010001201121100122
41013321120221322
54432243204110
6315405333242
741614514336
oct10771305172
93101647318
101206225530
11569979104
12297b67222
13162b94023
14b62b07c6
1570d6a255
hex47e58a7a

1206225530 has 32 divisors (see below), whose sum is σ = 2232641664. Its totient is φ = 468870336.

The previous prime is 1206225511. The next prime is 1206225541. The reversal of 1206225530 is 355226021.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206225530.

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 15 ways as a sum of consecutive naturals, for example, 414059 + ... + 416961.

It is an arithmetic number, because the mean of its divisors is an integer number (69770052).

Almost surely, 21206225530 is an apocalyptic number.

1206225530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206225530 is a deficient number, since it is larger than the sum of its proper divisors (1026416134).

1206225530 is a wasteful number, since it uses less digits than its factorization.

1206225530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1206225530 is about 34730.7576940095. The cubic root of 1206225530 is about 1064.4930706246.

The spelling of 1206225530 in words is "one billion, two hundred six million, two hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 1123 2246 2903 5615 5806 11230 14515 29030 41551 83102 107411 207755 214822 415510 537055 1074110 3260069 6520138 16300345 32600690 120622553 241245106 603112765 1206225530