Search a number
-
+
39194380 = 2251959719
BaseRepresentation
bin1001010110000…
…0111100001100
32201202021120201
42111200330030
540013210010
63520023244
7654101221
oct225407414
981667521
1039194380
1120140355
1211161b24
138173c54
1452c3948
15369323a
hex2560f0c

39194380 has 12 divisors (see below), whose sum is σ = 82308240. Its totient is φ = 15677744.

The previous prime is 39194303. The next prime is 39194387. The reversal of 39194380 is 8349193.

It is not an unprimeable number, because it can be changed into a prime (39194387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979840 + ... + 979879.

It is an arithmetic number, because the mean of its divisors is an integer number (6859020).

Almost surely, 239194380 is an apocalyptic number.

It is an amenable number.

39194380 is an abundant number, since it is smaller than the sum of its proper divisors (43113860).

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

39194380 is a wasteful number, since it uses less digits than its factorization.

39194380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959728 (or 1959726 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 39194380 is about 6260.5415101251. The cubic root of 39194380 is about 339.6836157171.

The spelling of 39194380 in words is "thirty-nine million, one hundred ninety-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1959719 3919438 7838876 9798595 19597190 39194380