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10020007 = 372271193
BaseRepresentation
bin100110001110…
…010010100111
3200212001212101
4212032102213
510031120012
6554432531
7151111564
oct46162247
920761771
1010020007
1157241a8
123432747
1320ca9ca
14148b86b
15d2dd57
hex98e4a7

10020007 has 8 divisors (see below), whose sum is σ = 10344816. Its totient is φ = 9698112.

The previous prime is 10019983. The next prime is 10020013. The reversal of 10020007 is 70002001.

10020007 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10019975 and 10020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020047) 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, 7803 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (1293102).

Almost surely, 210020007 is an apocalyptic number.

10020007 is a deficient number, since it is larger than the sum of its proper divisors (324809).

10020007 is a wasteful number, since it uses less digits than its factorization.

10020007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 10020007 is about 3165.4394639607. The cubic root of 10020007 is about 215.5870525393.

Adding to 10020007 its reverse (70002001), we get a palindrome (80022008).

The spelling of 10020007 in words is "ten million, twenty thousand, seven".

Divisors: 1 37 227 1193 8399 44141 270811 10020007