Search a number
-
+
101530154 = 21117271471
BaseRepresentation
bin1100000110100…
…11101000101010
321002001021012002
412003103220222
5201442431104
614024051002
72341664165
oct603235052
9232037162
10101530154
1152347120
122a003a62
131805b11b
14d6acadc
158da801e
hex60d3a2a

101530154 has 16 divisors (see below), whose sum is σ = 175913856. Its totient is φ = 43435200.

The previous prime is 101530147. The next prime is 101530193. The reversal of 101530154 is 451035101.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135362 + ... + 136109.

It is an arithmetic number, because the mean of its divisors is an integer number (10994616).

Almost surely, 2101530154 is an apocalyptic number.

101530154 is a deficient number, since it is larger than the sum of its proper divisors (74383702).

101530154 is a wasteful number, since it uses less digits than its factorization.

101530154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271501.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101530154 is about 10076.2172465663. The cubic root of 101530154 is about 466.5143583457.

Adding to 101530154 its reverse (451035101), we get a palindrome (552565255).

The spelling of 101530154 in words is "one hundred one million, five hundred thirty thousand, one hundred fifty-four".

Divisors: 1 2 11 17 22 34 187 374 271471 542942 2986181 4615007 5972362 9230014 50765077 101530154