Search a number
-
+
68392938 = 23172329153
BaseRepresentation
bin1000001001110…
…01011111101010
311202200201110210
410010321133222
5120002033223
610441521550
71460221215
oct404713752
9152621423
1068392938
1135673699
121aaa32b6
13112281c3
14912477c
15600e893
hex41397ea

68392938 has 32 divisors (see below), whose sum is σ = 151134336. Its totient is φ = 20523008.

The previous prime is 68392903. The next prime is 68392963. The reversal of 68392938 is 83929386.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12231 + ... + 16922.

It is an arithmetic number, because the mean of its divisors is an integer number (4722948).

Almost surely, 268392938 is an apocalyptic number.

68392938 is an abundant number, since it is smaller than the sum of its proper divisors (82741398).

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

68392938 is a wasteful number, since it uses less digits than its factorization.

68392938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29198.

The product of its digits is 559872, while the sum is 48.

The square root of 68392938 is about 8270.0022974604. The cubic root of 68392938 is about 408.9501954925.

The spelling of 68392938 in words is "sixty-eight million, three hundred ninety-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 391 782 1173 2346 29153 58306 87459 174918 495601 670519 991202 1341038 1486803 2011557 2973606 4023114 11398823 22797646 34196469 68392938