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10507280 = 245729647
BaseRepresentation
bin101000000101…
…010000010000
3201202211021112
4220011100100
510142213110
61013112452
7155211320
oct50052020
921684245
1010507280
115a27303
123628728
13223b734
141577280
15dc8405
hexa05410

10507280 has 80 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 3472896.

The previous prime is 10507271. The next prime is 10507313. The reversal of 10507280 is 8270501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×105072802 = 220805865996800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15917 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

Almost surely, 210507280 is an apocalyptic number.

10507280 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 10507280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

10507280 is an abundant number, since it is smaller than the sum of its proper divisors (18419440).

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

10507280 is a wasteful number, since it uses less digits than its factorization.

10507280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 10507280 is about 3241.4934829489. The cubic root of 10507280 is about 219.0265530796.

Adding to 10507280 its reverse (8270501), we get a palindrome (18777781).

The spelling of 10507280 in words is "ten million, five hundred seven thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 560 580 647 812 1015 1160 1294 1624 2030 2320 2588 3235 3248 4060 4529 5176 6470 8120 9058 10352 12940 16240 18116 18763 22645 25880 36232 37526 45290 51760 72464 75052 90580 93815 131341 150104 181160 187630 262682 300208 362320 375260 525364 656705 750520 1050728 1313410 1501040 2101456 2626820 5253640 10507280