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712212072 = 2331113207521
BaseRepresentation
bin101010011100110…
…111111001101000
31211122011010021220
4222130313321220
52424311241242
6154401102040
723435463015
oct5234677150
91748133256
10712212072
11336030520
1217a627920
13b4726a80
146a83670c
15427d5bec
hex2a737e68

712212072 has 64 divisors (see below), whose sum is σ = 2091821760. Its totient is φ = 199219200.

The previous prime is 712212047. The next prime is 712212091. The reversal of 712212072 is 270212217.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100329 + ... + 107192.

It is an arithmetic number, because the mean of its divisors is an integer number (32684715).

Almost surely, 2712212072 is an apocalyptic number.

It is an amenable number.

712212072 is an abundant number, since it is smaller than the sum of its proper divisors (1379609688).

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

712212072 is a wasteful number, since it uses less digits than its factorization.

712212072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207554 (or 207550 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 712212072 is about 26687.3016994975. The cubic root of 712212072 is about 893.0376664418.

Adding to 712212072 its reverse (270212217), we get a palindrome (982424289).

The spelling of 712212072 in words is "seven hundred twelve million, two hundred twelve thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 207521 415042 622563 830084 1245126 1660168 2282731 2490252 2697773 4565462 4980504 5395546 6848193 8093319 9130924 10791092 13696386 16186638 18261848 21582184 27392772 29675503 32373276 54785544 59351006 64746552 89026509 118702012 178053018 237404024 356106036 712212072