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312050340 = 223357312663
BaseRepresentation
bin10010100110011…
…000001010100100
3210202011210121000
4102212120022210
51114341102330
650544153300
710506245520
oct2246301244
9722153530
10312050340
11150165048
1288608830
134c859994
142d62cd80
151c5de560
hex129982a4

312050340 has 192 divisors, whose sum is σ = 1145733120. Its totient is φ = 68999040.

The previous prime is 312050329. The next prime is 312050359. The reversal of 312050340 is 43050213.

312050340 is a `hidden beast` number, since 3 + 120 + 503 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115849 + ... + 118511.

It is an arithmetic number, because the mean of its divisors is an integer number (5967360).

Almost surely, 2312050340 is an apocalyptic number.

312050340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312050340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572866560).

312050340 is an abundant number, since it is smaller than the sum of its proper divisors (833682780).

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

312050340 is a wasteful number, since it uses less digits than its factorization.

312050340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 312050340 is about 17664.9466458294. The cubic root of 312050340 is about 678.2787639027.

The spelling of 312050340 in words is "three hundred twelve million, fifty thousand, three hundred forty".