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10861390 = 251086139
BaseRepresentation
bin101001011011…
…101101001110
3202102211000201
4221123231032
510240031030
61024444114
7161214601
oct51335516
922384021
1010861390
116149361
12377963a
132333977
14162a338
15e482ca
hexa5bb4e

10861390 has 8 divisors (see below), whose sum is σ = 19550520. Its totient is φ = 4344552.

The previous prime is 10861363. The next prime is 10861391. The reversal of 10861390 is 9316801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10861391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543060 + ... + 543079.

It is an arithmetic number, because the mean of its divisors is an integer number (2443815).

Almost surely, 210861390 is an apocalyptic number.

10861390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10861390 is a deficient number, since it is larger than the sum of its proper divisors (8689130).

10861390 is a wasteful number, since it uses less digits than its factorization.

10861390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086146.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10861390 is about 3295.6623006613. The cubic root of 10861390 is about 221.4599186580.

The spelling of 10861390 in words is "ten million, eight hundred sixty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 1086139 2172278 5430695 10861390