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11870572 = 227423949
BaseRepresentation
bin101101010010…
…000101101100
3211100002100211
4231102011230
511014324242
61102232204
7202620040
oct55220554
924302324
1011870572
11677859a
123b85664
1325c810c
141810020
151097317
hexb5216c

11870572 has 12 divisors (see below), whose sum is σ = 23741200. Its totient is φ = 5087376.

The previous prime is 11870503. The next prime is 11870587. The reversal of 11870572 is 27507811.

It is a happy number.

11870572 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211947 + ... + 212002.

Almost surely, 211870572 is an apocalyptic number.

It is an amenable number.

11870572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11870572 is a wasteful number, since it uses less digits than its factorization.

11870572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423960 (or 423958 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11870572 is about 3445.3696463515. The cubic root of 11870572 is about 228.1167710048.

The spelling of 11870572 in words is "eleven million, eight hundred seventy thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 423949 847898 1695796 2967643 5935286 11870572