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10154069 = 39725577
BaseRepresentation
bin100110101111…
…000001010101
3201002212202122
4212233001111
510044412234
61001345325
7152210462
oct46570125
921085678
1010154069
1158059a2
123498245
132146a33
1414c4669
15d5892e
hex9af055

10154069 has 4 divisors (see below), whose sum is σ = 10180044. Its totient is φ = 10128096.

The previous prime is 10154059. The next prime is 10154071. The reversal of 10154069 is 96045101.

10154069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96045101 = 432233607.

It can be written as a sum of positive squares in 2 ways, for example, as 3062500 + 7091569 = 1750^2 + 2663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10154069 is a prime.

It is a super-2 number, since 2×101540692 = 206210234513522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10154059) 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, 12392 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (2545011).

Almost surely, 210154069 is an apocalyptic number.

It is an amenable number.

10154069 is a deficient number, since it is larger than the sum of its proper divisors (25975).

10154069 is an equidigital number, since it uses as much as digits as its factorization.

10154069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25974.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10154069 is about 3186.5449941904. The cubic root of 10154069 is about 216.5442735435.

The spelling of 10154069 in words is "ten million, one hundred fifty-four thousand, sixty-nine".

Divisors: 1 397 25577 10154069