Search a number
-
+
101420120 = 2354495647
BaseRepresentation
bin1100000101110…
…00110001011000
321001211200020202
412002320301120
5201430420440
614021441332
72341025324
oct602706130
9231750222
10101420120
115228148a
1229b70248
1318020009
14d680984
158d85615
hex60b8c58

101420120 has 32 divisors (see below), whose sum is σ = 228744000. Its totient is φ = 40470528.

The previous prime is 101420117. The next prime is 101420129. The reversal of 101420120 is 21024101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15137 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (7148250).

Almost surely, 2101420120 is an apocalyptic number.

101420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101420120 is an abundant number, since it is smaller than the sum of its proper divisors (127323880).

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

101420120 is a wasteful number, since it uses less digits than its factorization.

101420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107 (or 6103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101420120 is about 10070.7556816755. The cubic root of 101420120 is about 466.3457680500.

Adding to 101420120 its reverse (21024101), we get a palindrome (122444221).

The spelling of 101420120 in words is "one hundred one million, four hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 449 898 1796 2245 3592 4490 5647 8980 11294 17960 22588 28235 45176 56470 112940 225880 2535503 5071006 10142012 12677515 20284024 25355030 50710060 101420120