Search a number
-
+
310593920 = 2757135333
BaseRepresentation
bin10010100000110…
…100100110000000
3210122102210202112
4102200310212000
51114003001140
650453034452
710461001430
oct2240644600
9718383675
10310593920
1114a35a89a
1288025a28
134c469ab0
142d3702c0
151c402c65
hex12834980

310593920 has 128 divisors (see below), whose sum is σ = 914034240. Its totient is φ = 98279424.

The previous prime is 310593919. The next prime is 310593923. The reversal of 310593920 is 29395013.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310593923) 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, 55574 + ... + 60906.

Almost surely, 2310593920 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 310593920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457017120).

310593920 is an abundant number, since it is smaller than the sum of its proper divisors (603440320).

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

310593920 is a wasteful number, since it uses less digits than its factorization.

310593920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 310593920 is about 17623.6749856549. The cubic root of 310593920 is about 677.2218835511.

The spelling of 310593920 in words is "three hundred ten million, five hundred ninety-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 182 208 224 260 280 320 364 416 448 455 520 560 640 728 832 896 910 1040 1120 1456 1664 1820 2080 2240 2912 3640 4160 4480 5333 5824 7280 8320 10666 11648 14560 21332 26665 29120 37331 42664 53330 58240 69329 74662 85328 106660 138658 149324 170656 186655 213320 277316 298648 341312 346645 373310 426640 485303 554632 597296 682624 693290 746620 853280 970606 1109264 1194592 1386580 1493240 1706560 1941212 2218528 2389184 2426515 2773160 2986480 3413120 3882424 4437056 4778368 4853030 5546320 5972960 7764848 8874112 9706060 11092640 11945920 15529696 19412120 22185280 23891840 31059392 38824240 44370560 62118784 77648480 155296960 310593920