Search a number
-
+
70320152 = 2373140507
BaseRepresentation
bin1000011000100…
…00000000011000
311220022122010002
410030100000120
5121000221102
610551112132
71512466010
oct414200030
9156278102
1070320152
113676a631
121b672648
1311751476
1494a6c40
156290902
hex4310018

70320152 has 32 divisors (see below), whose sum is σ = 155550720. Its totient is φ = 29164320.

The previous prime is 70320149. The next prime is 70320161. The reversal of 70320152 is 25102307.

It is a congruent number.

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, 18518 + ... + 21989.

It is an arithmetic number, because the mean of its divisors is an integer number (4860960).

Almost surely, 270320152 is an apocalyptic number.

It is an amenable number.

70320152 is an abundant number, since it is smaller than the sum of its proper divisors (85230568).

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

70320152 is a wasteful number, since it uses less digits than its factorization.

70320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40551 (or 40547 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70320152 is about 8385.7111803353. The cubic root of 70320152 is about 412.7558782190.

Adding to 70320152 its reverse (25102307), we get a palindrome (95422459).

The spelling of 70320152 in words is "seventy million, three hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 40507 81014 162028 283549 324056 567098 1134196 1255717 2268392 2511434 5022868 8790019 10045736 17580038 35160076 70320152