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10031120 = 2451111399
BaseRepresentation
bin100110010001…
…000000010000
3200212122002222
4212101000100
510031443440
6555000212
7151156151
oct46210020
920778088
1010031120
115731590
123439068
132102a98
141491928
15d322b5
hex991010

10031120 has 40 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 3647360.

The previous prime is 10031117. The next prime is 10031137. The reversal of 10031120 is 2113001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 10031098 and 10031107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 6579.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 210031120 is an apocalyptic number.

10031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031120 is an abundant number, since it is smaller than the sum of its proper divisors (15413680).

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

10031120 is a wasteful number, since it uses less digits than its factorization.

10031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423 (or 11417 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 10031120 is about 3167.1943420005. The cubic root of 10031120 is about 215.6667242648. Note that the first 3 decimals are identical.

Adding to 10031120 its reverse (2113001), we get a palindrome (12144121).

The spelling of 10031120 in words is "ten million, thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 11399 22798 45596 56995 91192 113990 125389 182384 227980 250778 455960 501556 626945 911920 1003112 1253890 2006224 2507780 5015560 10031120