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10621042 = 214093769
BaseRepresentation
bin101000100001…
…000001110010
3201222121022221
4220201001302
510204333132
61015351254
7156164065
oct50410162
921877287
1010621042
115aa4823
12368252a
13227b453
1415a68dc
15debe97
hexa21072

10621042 has 8 divisors (see below), whose sum is σ = 15947100. Its totient is φ = 5305344.

The previous prime is 10621027. The next prime is 10621049. The reversal of 10621042 is 24012601.

It can be written as a sum of positive squares in 2 ways, for example, as 10361961 + 259081 = 3219^2 + 509^2 .

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

It is a super-2 number, since 2×106210422 = 225613066331528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621049) 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, 934 + ... + 4702.

Almost surely, 210621042 is an apocalyptic number.

10621042 is a deficient number, since it is larger than the sum of its proper divisors (5326058).

10621042 is a wasteful number, since it uses less digits than its factorization.

10621042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10621042 is about 3258.9940165640. The cubic root of 10621042 is about 219.8141819401.

Adding to 10621042 its reverse (24012601), we get a palindrome (34633643).

The spelling of 10621042 in words is "ten million, six hundred twenty-one thousand, forty-two".

Divisors: 1 2 1409 2818 3769 7538 5310521 10621042