Search a number
-
+
70252172 = 2279222317
BaseRepresentation
bin1000010111111…
…11011010001100
311220012011212022
410023333122030
5120441032142
610545425312
71512063554
oct413773214
9156164768
1070252172
1136723551
121b63b238
1311729543
14948a164
15627a6d2
hex42ff68c

70252172 has 12 divisors (see below), whose sum is σ = 124498080. Its totient is φ = 34681296.

The previous prime is 70252163. The next prime is 70252183. The reversal of 70252172 is 27125207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110843 + ... + 111474.

It is an arithmetic number, because the mean of its divisors is an integer number (10374840).

Almost surely, 270252172 is an apocalyptic number.

It is an amenable number.

70252172 is a deficient number, since it is larger than the sum of its proper divisors (54245908).

70252172 is a wasteful number, since it uses less digits than its factorization.

70252172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222400 (or 222398 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 70252172 is about 8381.6568767756. The cubic root of 70252172 is about 412.6228286808.

Adding to 70252172 its reverse (27125207), we get a palindrome (97377379).

The spelling of 70252172 in words is "seventy million, two hundred fifty-two thousand, one hundred seventy-two".

Divisors: 1 2 4 79 158 316 222317 444634 889268 17563043 35126086 70252172