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10072951 = 71438993
BaseRepresentation
bin100110011011…
…001101110111
3200221202111021
4212123031313
510034313301
6555522011
7151422130
oct46331567
920852437
1010072951
11575aa59
123459307
132118b35
1414a2c87
15d3e8a1
hex99b377

10072951 has 4 divisors (see below), whose sum is σ = 11511952. Its totient is φ = 8633952.

The previous prime is 10072949. The next prime is 10072957. The reversal of 10072951 is 15927001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15927001 = 22770163.

It is a cyclic number.

It is not a de Polignac number, because 10072951 - 21 = 10072949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10072957) 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, 719490 + ... + 719503.

It is an arithmetic number, because the mean of its divisors is an integer number (2877988).

Almost surely, 210072951 is an apocalyptic number.

10072951 is a deficient number, since it is larger than the sum of its proper divisors (1439001).

10072951 is an equidigital number, since it uses as much as digits as its factorization.

10072951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439000.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 10072951 is about 3173.7912659783. The cubic root of 10072951 is about 215.9660940721.

Adding to 10072951 its reverse (15927001), we get a palindrome (25999952).

The spelling of 10072951 in words is "ten million, seventy-two thousand, nine hundred fifty-one".

Divisors: 1 7 1438993 10072951