Search a number
-
+
69739730 = 256973973
BaseRepresentation
bin1000010100000…
…10010011010010
311212020010220222
410022002103102
5120323132410
610530433042
71504530554
oct412022322
9155203828
1069739730
1136403545
121b432782
13115aa218
1493954d4
1561c8955
hex42824d2

69739730 has 8 divisors (see below), whose sum is σ = 125531532. Its totient is φ = 27895888.

The previous prime is 69739727. The next prime is 69739759. The reversal of 69739730 is 3793796.

It can be written as a sum of positive squares in 2 ways, for example, as 69739201 + 529 = 8351^2 + 23^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486977 + ... + 3486996.

Almost surely, 269739730 is an apocalyptic number.

69739730 is a deficient number, since it is larger than the sum of its proper divisors (55791802).

69739730 is a wasteful number, since it uses less digits than its factorization.

69739730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973980.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 69739730 is about 8351.0316727935. The cubic root of 69739730 is about 411.6171113637.

The spelling of 69739730 in words is "sixty-nine million, seven hundred thirty-nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 6973973 13947946 34869865 69739730