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313303424 = 277232661
BaseRepresentation
bin10010101011001…
…010000110000000
3210211112110111112
4102223022012000
51120201202144
651031102452
710523015030
oct2253120600
9724473445
10313303424
11150940555
1288b11a28
134cba8155
142d8778c0
151c78a99e
hex12aca180

313303424 has 96 divisors (see below), whose sum is σ = 746815440. Its totient is φ = 128240640.

The previous prime is 313303423. The next prime is 313303429. The reversal of 313303424 is 424303313.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 313303424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313303423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473654 + ... + 474314.

Almost surely, 2313303424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373407720).

313303424 is an abundant number, since it is smaller than the sum of its proper divisors (433512016).

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

313303424 is an equidigital number, since it uses as much as digits as its factorization.

313303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 313303424 is about 17700.3792049775. The cubic root of 313303424 is about 679.1854606782.

Adding to 313303424 its reverse (424303313), we get a palindrome (737606737).

The spelling of 313303424 in words is "three hundred thirteen million, three hundred three thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 64 92 112 128 161 184 224 322 368 448 529 644 661 736 896 1058 1288 1322 1472 2116 2576 2644 2944 3703 4232 4627 5152 5288 7406 8464 9254 10304 10576 14812 15203 16928 18508 20608 21152 29624 30406 33856 37016 42304 59248 60812 67712 74032 84608 106421 118496 121624 148064 212842 236992 243248 296128 349669 425684 473984 486496 592256 699338 851368 972992 1398676 1702736 1945984 2447683 2797352 3405472 4895366 5594704 6810944 9790732 11189408 13621888 19581464 22378816 39162928 44757632 78325856 156651712 313303424