Search a number
-
+
67345772 = 221317293771
BaseRepresentation
bin1000000001110…
…01110101101100
311200201112000212
410000321311230
5114220031042
610403241552
71445300234
oct400716554
9150645025
1067345772
113501896a
121a6792b8
1310c4c690
148d30cc4
155da4482
hex4039d6c

67345772 has 96 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 27095040.

The previous prime is 67345753. The next prime is 67345781. The reversal of 67345772 is 27754376.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948497 + ... + 948567.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 267345772 is an apocalyptic number.

It is an amenable number.

67345772 is an abundant number, since it is smaller than the sum of its proper divisors (77443348).

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

67345772 is a wasteful number, since it uses less digits than its factorization.

67345772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its digits is 246960, while the sum is 41.

The square root of 67345772 is about 8206.4469778340. The cubic root of 67345772 is about 406.8523028971.

The spelling of 67345772 in words is "sixty-seven million, three hundred forty-five thousand, seven hundred seventy-two".

Divisors: 1 2 4 13 17 26 29 34 37 52 58 68 71 74 116 142 148 221 284 377 442 481 493 629 754 884 923 962 986 1073 1207 1258 1508 1846 1924 1972 2059 2146 2414 2516 2627 3692 4118 4292 4828 5254 6409 8177 8236 10508 12818 13949 15691 16354 18241 25636 26767 27898 31382 32708 34151 35003 36482 44659 53534 55796 62764 68302 70006 72964 76183 89318 107068 136604 140012 152366 178636 237133 304732 455039 474266 580567 910078 948532 990379 1161134 1295111 1820156 1980758 2322268 2590222 3961516 5180444 16836443 33672886 67345772