Search a number
-
+
102420033 = 3372114373
BaseRepresentation
bin1100001101011…
…00111001000001
321010201110212120
412012230321001
5202204420113
614055114453
72352361452
oct606547101
9233643776
10102420033
11528a4761
122a372a29
13182b0191
14d861129
158ed1a23
hex61ace41

102420033 has 16 divisors (see below), whose sum is σ = 140947776. Its totient is φ = 66104640.

The previous prime is 102419987. The next prime is 102420061. The reversal of 102420033 is 330024201.

It is not a de Polignac number, because 102420033 - 26 = 102419969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102419994 and 102420021.

It is not an unprimeable number, because it can be changed into a prime (102420133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21235 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (8809236).

Almost surely, 2102420033 is an apocalyptic number.

It is an amenable number.

102420033 is a deficient number, since it is larger than the sum of its proper divisors (38527743).

102420033 is a wasteful number, since it uses less digits than its factorization.

102420033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102420033 is about 10120.2783064499. The cubic root of 102420033 is about 467.8733448994.

Adding to 102420033 its reverse (330024201), we get a palindrome (432444234).

The spelling of 102420033 in words is "one hundred two million, four hundred twenty thousand, thirty-three".

Divisors: 1 3 37 111 211 633 4373 7807 13119 23421 161801 485403 922703 2768109 34140011 102420033