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312014140 = 225107211691
BaseRepresentation
bin10010100110001…
…111010100111100
3210202002221221021
4102212033110330
51114333423030
650543313524
710506035134
oct2246172474
9722087837
10312014140
1115013a929
12885ab8a4
134c846369
142d61dac4
151c5d397a
hex1298f53c

312014140 has 48 divisors (see below), whose sum is σ = 665449344. Its totient is φ = 122875200.

The previous prime is 312014117. The next prime is 312014147. The reversal of 312014140 is 41410213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312014147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451195 + ... + 451885.

It is an arithmetic number, because the mean of its divisors is an integer number (13863528).

Almost surely, 2312014140 is an apocalyptic number.

It is an amenable number.

312014140 is an abundant number, since it is smaller than the sum of its proper divisors (353435204).

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

312014140 is a wasteful number, since it uses less digits than its factorization.

312014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 312014140 is about 17663.9219880524. The cubic root of 312014140 is about 678.2525345442.

Adding to 312014140 its reverse (41410213), we get a palindrome (353424353).

The spelling of 312014140 in words is "three hundred twelve million, fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 107 211 214 422 428 535 691 844 1055 1070 1382 2110 2140 2764 3455 4220 6910 13820 22577 45154 73937 90308 112885 145801 147874 225770 291602 295748 369685 451540 583204 729005 739370 1458010 1478740 2916020 15600707 31201414 62402828 78003535 156007070 312014140