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712140450 = 23527678229
BaseRepresentation
bin101010011100100…
…110011010100010
31211122000111001020
4222130212122202
52424301443300
6154355350310
723435044140
oct5234463242
91748014036
10712140450
11335a9172a
1217a5b2396
13b47002a8
146a818590
15427be8a0
hex2a7266a2

712140450 has 48 divisors (see below), whose sum is σ = 2018412480. Its totient is φ = 162774720.

The previous prime is 712140427. The next prime is 712140461. The reversal of 712140450 is 54041217.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 712140450.

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, 338065 + ... + 340164.

It is an arithmetic number, because the mean of its divisors is an integer number (42050260).

Almost surely, 2712140450 is an apocalyptic number.

712140450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

712140450 is an abundant number, since it is smaller than the sum of its proper divisors (1306272030).

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

712140450 is a wasteful number, since it uses less digits than its factorization.

712140450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678251 (or 678246 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 712140450 is about 26685.9597916208. The cubic root of 712140450 is about 893.0077299990.

Adding to 712140450 its reverse (54041217), we get a palindrome (766181667).

The spelling of 712140450 in words is "seven hundred twelve million, one hundred forty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 678229 1356458 2034687 3391145 4069374 4747603 6782290 9495206 10173435 14242809 16955725 20346870 23738015 28485618 33911450 47476030 50867175 71214045 101734350 118690075 142428090 237380150 356070225 712140450