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61234012 = 2272186929
BaseRepresentation
bin1110100110010…
…1101101011100
311021020000021101
43221211231130
5111133442022
610024242444
71342323550
oct351455534
9137200241
1061234012
1131624024
1218610424
13c8bc858
1481bd860
155598627
hex3a65b5c

61234012 has 12 divisors (see below), whose sum is σ = 122468080. Its totient is φ = 26243136.

The previous prime is 61233961. The next prime is 61234037. The reversal of 61234012 is 21043216.

61234012 is an admirable number.

It is a super-2 number, since 2×612340122 = 7499208451232288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093437 + ... + 1093492.

Almost surely, 261234012 is an apocalyptic number.

It is an amenable number.

61234012 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.

61234012 is a wasteful number, since it uses less digits than its factorization.

61234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186940 (or 2186938 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61234012 is about 7825.2164187325. The cubic root of 61234012 is about 394.1524571685.

Adding to 61234012 its reverse (21043216), we get a palindrome (82277228).

The spelling of 61234012 in words is "sixty-one million, two hundred thirty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 2186929 4373858 8747716 15308503 30617006 61234012