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10920007 = 712492
BaseRepresentation
bin101001101010…
…000001000111
3202112210102201
4221222001013
510243420012
61030015331
7161550520
oct51520107
922483381
1010920007
1161893aa
1237a7547
132354557
141643847
15e5a857
hexa6a047

10920007 has 6 divisors (see below), whose sum is σ = 12490008. Its totient is φ = 9352512.

The previous prime is 10919999. The next prime is 10920017. The reversal of 10920007 is 70002901.

It is not a de Polignac number, because 10920007 - 23 = 10919999 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 (10920017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8119 + ... + 9367.

It is an arithmetic number, because the mean of its divisors is an integer number (2081668).

Almost surely, 210920007 is an apocalyptic number.

10920007 is a deficient number, since it is larger than the sum of its proper divisors (1570001).

10920007 is an frugal number, since it uses more digits than its factorization.

10920007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 10920007 is about 3304.5433875197. The cubic root of 10920007 is about 221.8575974448.

Adding to 10920007 its reverse (70002901), we get a palindrome (80922908).

The spelling of 10920007 in words is "ten million, nine hundred twenty thousand, seven".

Divisors: 1 7 1249 8743 1560001 10920007