Search a number
-
+
61769002 = 230884501
BaseRepresentation
bin1110101110100…
…0010100101010
311022020012010211
43223220110222
5111303102002
610043531334
71350012361
oct353502452
9138205124
1061769002
1131959a69
1218829b4a
13ca49209
1482bc7d8
155651dd7
hex3ae852a

61769002 has 4 divisors (see below), whose sum is σ = 92653506. Its totient is φ = 30884500.

The previous prime is 61768979. The next prime is 61769017. The reversal of 61769002 is 20096716.

61769002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36978561 + 24790441 = 6081^2 + 4979^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15442249 + ... + 15442252.

Almost surely, 261769002 is an apocalyptic number.

61769002 is a deficient number, since it is larger than the sum of its proper divisors (30884504).

61769002 is a wasteful number, since it uses less digits than its factorization.

61769002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30884503.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 61769002 is about 7859.3257980567. The cubic root of 61769002 is about 395.2970088979.

The spelling of 61769002 in words is "sixty-one million, seven hundred sixty-nine thousand, two".

Divisors: 1 2 30884501 61769002