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712137132 = 2232723122867
BaseRepresentation
bin101010011100100…
…101100110101100
31211122000022111100
4222130211212230
52424301342012
6154355323100
723435031360
oct5234454654
91748008440
10712137132
11335a8a193
1217a5b0490
13b46cb925
146a8172a0
15427bd8dc
hex2a7259ac

712137132 has 72 divisors (see below), whose sum is σ = 2146749696. Its totient is φ = 194619744.

The previous prime is 712137031. The next prime is 712137199. The reversal of 712137132 is 231731217.

712137132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 712137096 and 712137105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55638 + ... + 67229.

It is an arithmetic number, because the mean of its divisors is an integer number (29815968).

Almost surely, 2712137132 is an apocalyptic number.

It is an amenable number.

712137132 is an abundant number, since it is smaller than the sum of its proper divisors (1434612564).

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

712137132 is a wasteful number, since it uses less digits than its factorization.

712137132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122907 (or 122902 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 712137132 is about 26685.8976240261. The cubic root of 712137132 is about 893.0063430983.

Adding to 712137132 its reverse (231731217), we get a palindrome (943868349).

It can be divided in two parts, 7121 and 37132, that added together give a triangular number (44253 = T297).

The spelling of 712137132 in words is "seven hundred twelve million, one hundred thirty-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 28 36 42 46 63 69 84 92 126 138 161 207 252 276 322 414 483 644 828 966 1449 1932 2898 5796 122867 245734 368601 491468 737202 860069 1105803 1474404 1720138 2211606 2580207 2825941 3440276 4423212 5160414 5651882 7740621 8477823 10320828 11303764 15481242 16955646 19781587 25433469 30962484 33911292 39563174 50866938 59344761 79126348 101733876 118689522 178034283 237379044 356068566 712137132