Search a number
-
+
71346380 = 22572917573
BaseRepresentation
bin1000100000010…
…10100011001100
311222020202211112
410100022203030
5121231041010
611025111152
71524301640
oct420124314
9158222745
1071346380
1137300656
121ba884b8
1311a205c1
149692c20
1563e4a05
hex440a8cc

71346380 has 48 divisors (see below), whose sum is σ = 177145920. Its totient is φ = 23616768.

The previous prime is 71346367. The next prime is 71346403. The reversal of 71346380 is 8364317.

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, 4727 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (3690540).

Almost surely, 271346380 is an apocalyptic number.

71346380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71346380 is an abundant number, since it is smaller than the sum of its proper divisors (105799540).

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

71346380 is a wasteful number, since it uses less digits than its factorization.

71346380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618 (or 17616 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 71346380 is about 8446.6786371923. The cubic root of 71346380 is about 414.7540614702.

The spelling of 71346380 in words is "seventy-one million, three hundred forty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 17573 35146 70292 87865 123011 175730 246022 351460 492044 509617 615055 1019234 1230110 2038468 2460220 2548085 3567319 5096170 7134638 10192340 14269276 17836595 35673190 71346380