Search a number
-
+
10270920 = 23351131251
BaseRepresentation
bin100111001011…
…100011001000
3201022211001110
4213023203020
510112132140
61004050320
7153205242
oct47134310
921284043
1010270920
115885770
1235339a0
132187c8a
141515092
15d7d380
hex9cb8c8

10270920 has 128 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 2400000.

The previous prime is 10270913. The next prime is 10270927. The reversal of 10270920 is 2907201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10270913) and next prime (10270927).

It is not an unprimeable number, because it can be changed into a prime (10270927) 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, 40795 + ... + 41045.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 210270920 is an apocalyptic number.

10270920 is a gapful number since it is divisible by the number (10) 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 10270920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

10270920 is an abundant number, since it is smaller than the sum of its proper divisors (24565560).

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

10270920 is a wasteful number, since it uses less digits than its factorization.

10270920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 10270920 is about 3204.8276084682. The cubic root of 10270920 is about 217.3717568743.

The spelling of 10270920 in words is "ten million, two hundred seventy thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 31 33 40 44 55 60 62 66 88 93 110 120 124 132 155 165 186 220 248 251 264 310 330 341 372 440 465 502 620 660 682 744 753 930 1004 1023 1240 1255 1320 1364 1506 1705 1860 2008 2046 2510 2728 2761 3012 3410 3720 3765 4092 5020 5115 5522 6024 6820 7530 7781 8184 8283 10040 10230 11044 13640 13805 15060 15562 16566 20460 22088 23343 27610 30120 31124 33132 38905 40920 41415 46686 55220 62248 66264 77810 82830 85591 93372 110440 116715 155620 165660 171182 186744 233430 256773 311240 331320 342364 427955 466860 513546 684728 855910 933720 1027092 1283865 1711820 2054184 2567730 3423640 5135460 10270920