Search a number
-
+
39342390 = 2359191427
BaseRepresentation
bin1001011000010…
…1000100110110
32202000210121120
42112011010312
540032424030
63523124410
7655255563
oct226050466
982023546
1039342390
112023157a
1211213706
1381c6429
14532186a
1536c2010
hex2585136

39342390 has 32 divisors (see below), whose sum is σ = 94590720. Its totient is φ = 10472544.

The previous prime is 39342383. The next prime is 39342409. The reversal of 39342390 is 9324393.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26857 + ... + 28283.

It is an arithmetic number, because the mean of its divisors is an integer number (2955960).

Almost surely, 239342390 is an apocalyptic number.

39342390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39342390 is an abundant number, since it is smaller than the sum of its proper divisors (55248330).

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

39342390 is a wasteful number, since it uses less digits than its factorization.

39342390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 39342390 is about 6272.3512337879. The cubic root of 39342390 is about 340.1106617869.

The spelling of 39342390 in words is "thirty-nine million, three hundred forty-two thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 919 1427 1838 2757 2854 4281 4595 5514 7135 8562 9190 13785 14270 21405 27570 42810 1311413 2622826 3934239 6557065 7868478 13114130 19671195 39342390