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10506937 = 71500991
BaseRepresentation
bin101000000101…
…001010111001
3201202210210211
4220011022321
510142210222
61013111121
7155210320
oct50051271
921683724
1010506937
115a27021
1236284a1
13223b52c
1415770b7
15dc8277
hexa052b9

10506937 has 4 divisors (see below), whose sum is σ = 12007936. Its totient is φ = 9005940.

The previous prime is 10506919. The next prime is 10506949. The reversal of 10506937 is 73960501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73960501 = 592312487.

It is a cyclic number.

It is not a de Polignac number, because 10506937 - 219 = 9982649 is a prime.

It is a super-2 number, since 2×105069372 = 220791450243938, 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 = 10506899 and 10506908.

It is not an unprimeable number, because it can be changed into a prime (10506907) 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, 750489 + ... + 750502.

It is an arithmetic number, because the mean of its divisors is an integer number (3001984).

Almost surely, 210506937 is an apocalyptic number.

It is an amenable number.

10506937 is a deficient number, since it is larger than the sum of its proper divisors (1500999).

10506937 is an equidigital number, since it uses as much as digits as its factorization.

10506937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500998.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 10506937 is about 3241.4405748062. The cubic root of 10506937 is about 219.0241697503.

The spelling of 10506937 in words is "ten million, five hundred six thousand, nine hundred thirty-seven".

Divisors: 1 7 1500991 10506937