Search a number
-
+
71394192 = 2432716983
BaseRepresentation
bin1000100000101…
…10001110010000
311222100012102100
410100112032100
5121234103232
611030120400
71524561222
oct420261620
9158305370
1071394192
1137333571
121bab0100
1311a392ac
1496a6412
156403c7c
hex4416390

71394192 has 60 divisors (see below), whose sum is σ = 202647744. Its totient is φ = 23459520.

The previous prime is 71394187. The next prime is 71394221. The reversal of 71394192 is 29149317.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6733 + ... + 13715.

Almost surely, 271394192 is an apocalyptic number.

71394192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71394192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101323872).

71394192 is an abundant number, since it is smaller than the sum of its proper divisors (131253552).

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

71394192 is a wasteful number, since it uses less digits than its factorization.

71394192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 7059 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 71394192 is about 8449.5083880661. The cubic root of 71394192 is about 414.8466884223.

The spelling of 71394192 in words is "seventy-one million, three hundred ninety-four thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 71 72 142 144 213 284 426 568 639 852 1136 1278 1704 2556 3408 5112 6983 10224 13966 20949 27932 41898 55864 62847 83796 111728 125694 167592 251388 335184 495793 502776 991586 1005552 1487379 1983172 2974758 3966344 4462137 5949516 7932688 8924274 11899032 17848548 23798064 35697096 71394192