Search a number
-
+
78002268 = 2238297841
BaseRepresentation
bin1001010011000…
…11100001011100
312102202220222220
410221203201130
5124432033033
611423505340
71635002601
oct451434134
9172686886
1078002268
1140037293
1222158250
1313210cb6
14a5066a8
156cabbb3
hex4a6385c

78002268 has 24 divisors (see below), whose sum is σ = 182248080. Its totient is φ = 25966080.

The previous prime is 78002263. The next prime is 78002279. The reversal of 78002268 is 86220087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78002263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (7593670).

Almost surely, 278002268 is an apocalyptic number.

It is an amenable number.

78002268 is an abundant number, since it is smaller than the sum of its proper divisors (104245812).

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

78002268 is a wasteful number, since it uses less digits than its factorization.

78002268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677 (or 8675 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 78002268 is about 8831.8892656102. The cubic root of 78002268 is about 427.2700093219.

The spelling of 78002268 in words is "seventy-eight million, two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 829 1658 2487 3316 4974 7841 9948 15682 23523 31364 47046 94092 6500189 13000378 19500567 26000756 39001134 78002268