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10801481 = 19229921
BaseRepresentation
bin101001001101…
…000101001001
3202022202211212
4221031011021
510231121411
61023302505
7160545125
oct51150511
922282755
1010801481
116108349
12374aa35
132312612
141612585
15e3568b
hexa4d149

10801481 has 6 divisors (see below), whose sum is σ = 11400282. Its totient is φ = 10232640.

The previous prime is 10801459. The next prime is 10801499. The reversal of 10801481 is 18410801.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 1092025 = 3116^2 + 1045^2 .

It is not a de Polignac number, because 10801481 - 214 = 10785097 is a prime.

It is a super-2 number, since 2×108014812 = 233343983586722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10801411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14600 + ... + 15321.

It is an arithmetic number, because the mean of its divisors is an integer number (1900047).

Almost surely, 210801481 is an apocalyptic number.

It is an amenable number.

10801481 is a deficient number, since it is larger than the sum of its proper divisors (598801).

10801481 is an equidigital number, since it uses as much as digits as its factorization.

10801481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29959 (or 29940 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 10801481 is about 3286.5606642811. The cubic root of 10801481 is about 221.0519932541.

The spelling of 10801481 in words is "ten million, eight hundred one thousand, four hundred eighty-one".

Divisors: 1 19 361 29921 568499 10801481