Search a number
-
+
68049312 = 2532924443
BaseRepresentation
bin1000000111001…
…01100110100000
311202001021002220
410003211212200
5114410034222
610430311040
71454260332
oct403454640
9152037086
1068049312
1135459501
121a958480
1311137986
149075452
155e92b5c
hex40e59a0

68049312 has 48 divisors (see below), whose sum is σ = 184796640. Its totient is φ = 21900032.

The previous prime is 68049307. The next prime is 68049367. The reversal of 68049312 is 21394086.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9438 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (3849930).

Almost surely, 268049312 is an apocalyptic number.

It is an amenable number.

68049312 is an abundant number, since it is smaller than the sum of its proper divisors (116747328).

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

68049312 is a wasteful number, since it uses less digits than its factorization.

68049312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24485 (or 24477 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 68049312 is about 8249.2006885516. The cubic root of 68049312 is about 408.2641503598.

The spelling of 68049312 in words is "sixty-eight million, forty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 928 1392 2784 24443 48886 73329 97772 146658 195544 293316 391088 586632 708847 782176 1173264 1417694 2126541 2346528 2835388 4253082 5670776 8506164 11341552 17012328 22683104 34024656 68049312