Search a number
-
+
13912950 = 235292753
BaseRepresentation
bin110101000100…
…101101110110
3222011211222110
4311010231312
512030203300
61214111450
7226154352
oct65045566
928154873
1013912950
117943007
1247ab586
132b6191c
141bc2462
15134c550
hexd44b76

13912950 has 24 divisors (see below), whose sum is σ = 34504488. Its totient is φ = 3710080.

The previous prime is 13912939. The next prime is 13912957. The reversal of 13912950 is 5921931.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46227 + ... + 46526.

It is an arithmetic number, because the mean of its divisors is an integer number (1437687).

Almost surely, 213912950 is an apocalyptic number.

13912950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13912950 is an abundant number, since it is smaller than the sum of its proper divisors (20591538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13912950 is a wasteful number, since it uses less digits than its factorization.

13912950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92768 (or 92763 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 13912950 is about 3730.0067024068. The cubic root of 13912950 is about 240.5136568130.

The spelling of 13912950 in words is "thirteen million, nine hundred twelve thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 92753 185506 278259 463765 556518 927530 1391295 2318825 2782590 4637650 6956475 13912950