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314122440 = 233519311443
BaseRepresentation
bin10010101110010…
…010000011001000
3210220002001222110
4102232102003020
51120403404230
651100422320
710532665602
oct2256220310
9726061873
10314122440
1115134a925
12892479a0
1350103b88
142da0c172
151c89d4b0
hex12b920c8

314122440 has 128 divisors (see below), whose sum is σ = 997401600. Its totient is φ = 78923520.

The previous prime is 314122427. The next prime is 314122441. The reversal of 314122440 is 44221413.

It is not an unprimeable number, because it can be changed into a prime (314122441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 708859 + ... + 709301.

It is an arithmetic number, because the mean of its divisors is an integer number (7792200).

Almost surely, 2314122440 is an apocalyptic number.

314122440 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 314122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498700800).

314122440 is an abundant number, since it is smaller than the sum of its proper divisors (683279160).

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

314122440 is a wasteful number, since it uses less digits than its factorization.

314122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 314122440 is about 17723.4996544136. The cubic root of 314122440 is about 679.7767721717.

Adding to 314122440 its reverse (44221413), we get a palindrome (358343853).

The spelling of 314122440 in words is "three hundred fourteen million, one hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 311 380 443 456 570 622 760 886 933 1140 1244 1329 1555 1772 1866 2215 2280 2488 2658 3110 3544 3732 4430 4665 5316 5909 6220 6645 7464 8417 8860 9330 10632 11818 12440 13290 16834 17720 17727 18660 23636 25251 26580 29545 33668 35454 37320 42085 47272 50502 53160 59090 67336 70908 84170 88635 101004 118180 126255 137773 141816 168340 177270 202008 236360 252510 275546 336680 354540 413319 505020 551092 688865 709080 826638 1010040 1102184 1377730 1653276 2066595 2617687 2755460 3306552 4133190 5235374 5510920 7853061 8266380 10470748 13088435 15706122 16532760 20941496 26176870 31412244 39265305 52353740 62824488 78530610 104707480 157061220 314122440