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11870530 = 2572373101
BaseRepresentation
bin101101010010…
…000101000010
3211100002022021
4231102011002
511014324110
61102232054
7202616650
oct55220502
924302267
1011870530
116778561
123b8562a
1325c80a9
14180ddd0
1510972da
hexb52142

11870530 has 64 divisors (see below), whose sum is σ = 26085888. Its totient is φ = 3801600.

The previous prime is 11870503. The next prime is 11870587. The reversal of 11870530 is 3507811.

It is a junction number, because it is equal to n+sod(n) for n = 11870495 and 11870504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117480 + ... + 117580.

It is an arithmetic number, because the mean of its divisors is an integer number (407592).

Almost surely, 211870530 is an apocalyptic number.

11870530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11870530 is an abundant number, since it is smaller than the sum of its proper divisors (14215358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11870530 is a wasteful number, since it uses less digits than its factorization.

11870530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 11870530 is about 3445.3635512091. The cubic root of 11870530 is about 228.1165019665.

The spelling of 11870530 in words is "eleven million, eight hundred seventy thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 73 101 115 146 161 202 230 322 365 505 511 707 730 805 1010 1022 1414 1610 1679 2323 2555 3358 3535 4646 5110 7070 7373 8395 11615 11753 14746 16261 16790 23230 23506 32522 36865 51611 58765 73730 81305 103222 117530 162610 169579 258055 339158 516110 847895 1187053 1695790 2374106 5935265 11870530