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10680154 = 25340077
BaseRepresentation
bin101000101111…
…011101011010
3202002121102021
4220233131122
510213231104
61020525054
7156531322
oct50573532
922077367
1010680154
116035181
1236b078a
13229c324
1415c0282
15e0e754
hexa2f75a

10680154 has 4 divisors (see below), whose sum is σ = 16020234. Its totient is φ = 5340076.

The previous prime is 10680133. The next prime is 10680157. The reversal of 10680154 is 45108601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45108601 = 291555469.

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 851929 = 3135^2 + 923^2 .

It is a super-2 number, since 2×106801542 = 228131378927432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10680157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670037 + ... + 2670040.

Almost surely, 210680154 is an apocalyptic number.

10680154 is a deficient number, since it is larger than the sum of its proper divisors (5340080).

10680154 is an equidigital number, since it uses as much as digits as its factorization.

10680154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340079.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10680154 is about 3268.0504892061. The cubic root of 10680154 is about 220.2212237521.

Adding to 10680154 its reverse (45108601), we get a palindrome (55788755).

The spelling of 10680154 in words is "ten million, six hundred eighty thousand, one hundred fifty-four".

Divisors: 1 2 5340077 10680154