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10301421 = 313264139
BaseRepresentation
bin100111010010…
…111111101101
3201101100220010
4213102333231
510114121141
61004443433
7153363204
oct47227755
921340803
1010301421
1158a6679
123549579
132198b20
14152223b
15d87416
hex9d2fed

10301421 has 8 divisors (see below), whose sum is σ = 14791840. Its totient is φ = 6339312.

The previous prime is 10301399. The next prime is 10301443. The reversal of 10301421 is 12410301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10301399) and next prime (10301443).

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

It is not a de Polignac number, because 10301421 - 29 = 10300909 is a prime.

It is a super-2 number, since 2×103014212 = 212238549238482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301397 and 10301406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132031 + ... + 132108.

It is an arithmetic number, because the mean of its divisors is an integer number (1848980).

Almost surely, 210301421 is an apocalyptic number.

It is an amenable number.

10301421 is a deficient number, since it is larger than the sum of its proper divisors (4490419).

10301421 is a wasteful number, since it uses less digits than its factorization.

10301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264155.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10301421 is about 3209.5826831537. The cubic root of 10301421 is about 217.5867166438.

Adding to 10301421 its reverse (12410301), we get a palindrome (22711722).

The spelling of 10301421 in words is "ten million, three hundred one thousand, four hundred twenty-one".

Divisors: 1 3 13 39 264139 792417 3433807 10301421