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12077870 = 257172541
BaseRepresentation
bin101110000100…
…101100101110
3211201121201112
4232010230232
511042442440
61110512022
7204442310
oct56045456
924647645
1012077870
1168aa312
124065612
13266b58c
1418657b0
1510d8965
hexb84b2e

12077870 has 16 divisors (see below), whose sum is σ = 24846048. Its totient is φ = 4140960.

The previous prime is 12077867. The next prime is 12077893. The reversal of 12077870 is 7877021.

12077870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 86201 + ... + 86340.

It is an arithmetic number, because the mean of its divisors is an integer number (1552878).

Almost surely, 212077870 is an apocalyptic number.

12077870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12077870 is an abundant number, since it is smaller than the sum of its proper divisors (12768178).

12077870 is a wasteful number, since it uses less digits than its factorization.

12077870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172555.

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 12077870 is about 3475.3230065708. The cubic root of 12077870 is about 229.4369972762.

The spelling of 12077870 in words is "twelve million, seventy-seven thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 172541 345082 862705 1207787 1725410 2415574 6038935 12077870