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61204002 = 2316976011
BaseRepresentation
bin1110100101111…
…0011000100010
311021011111002220
43221132120202
5111132012002
610023451510
71342140216
oct351363042
9137144086
1061204002
1131603522
12185b6b96
13c8abcb2
1481b2946
15558e7bc
hex3a5e622

61204002 has 16 divisors (see below), whose sum is σ = 122500512. Its totient is φ = 20385920.

The previous prime is 61204001. The next prime is 61204019. The reversal of 61204002 is 20040216.

61204002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61204001) 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 7 ways as a sum of consecutive naturals, for example, 7177 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (7656282).

Almost surely, 261204002 is an apocalyptic number.

61204002 is an abundant number, since it is smaller than the sum of its proper divisors (61296510).

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

61204002 is a wasteful number, since it uses less digits than its factorization.

61204002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 61204002 is about 7823.2986648855. The cubic root of 61204002 is about 394.0880569671.

Adding to 61204002 its reverse (20040216), we get a palindrome (81244218).

The spelling of 61204002 in words is "sixty-one million, two hundred four thousand, two".

Divisors: 1 2 3 6 1697 3394 5091 6011 10182 12022 18033 36066 10200667 20401334 30602001 61204002