Search a number
-
+
102121302 = 23431013919
BaseRepresentation
bin1100001011000…
…11111101010110
321010011022002110
412011203331112
5202120340202
614044451450
72350005513
oct605437526
9233138073
10102121302
1152710278
122a249b86
131820720a
14d7c430a
158e7326c
hex6163f56

102121302 has 32 divisors (see below), whose sum is σ = 211115520. Its totient is φ = 32911200.

The previous prime is 102121273. The next prime is 102121303. The reversal of 102121302 is 203121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121303) 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, 24099 + ... + 28017.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2102121302 is an apocalyptic number.

102121302 is an abundant number, since it is smaller than the sum of its proper divisors (108994218).

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

102121302 is a wasteful number, since it uses less digits than its factorization.

102121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102121302 is about 10105.5084978441. The cubic root of 102121302 is about 467.4180160696.

Adding to 102121302 its reverse (203121201), we get a palindrome (305242503).

The spelling of 102121302 in words is "one hundred two million, one hundred twenty-one thousand, three hundred two".

Divisors: 1 2 3 6 43 86 101 129 202 258 303 606 3919 4343 7838 8686 11757 13029 23514 26058 168517 337034 395819 505551 791638 1011102 1187457 2374914 17020217 34040434 51060651 102121302