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3130236 = 223286951
BaseRepresentation
bin1011111100001101111100
312220000212200
423330031330
51300131421
6151031500
735415024
oct13741574
95800780
103130236
11184887a
12106b590
13857a15
145b6a84
1541c726
hex2fc37c

3130236 has 18 divisors (see below), whose sum is σ = 7912632. Its totient is φ = 1043400.

The previous prime is 3130229. The next prime is 3130241. The reversal of 3130236 is 6320313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43440 + ... + 43511.

Almost surely, 23130236 is an apocalyptic number.

3130236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3130236 is an abundant number, since it is smaller than the sum of its proper divisors (4782396).

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

3130236 is a wasteful number, since it uses less digits than its factorization.

3130236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86961 (or 86956 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3130236 is about 1769.2472975817. The cubic root of 3130236 is about 146.2824955187.

Adding to 3130236 its reverse (6320313), we get a palindrome (9450549).

The spelling of 3130236 in words is "three million, one hundred thirty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 86951 173902 260853 347804 521706 782559 1043412 1565118 3130236