Search a number
-
+
70252664 = 238781583
BaseRepresentation
bin1000010111111…
…11100001111000
311220012012112112
410023333201320
5120441041124
610545431452
71512065156
oct413774170
9156165475
1070252664
1136723959
121b63b588
1311729831
14948a3d6
15627a90e
hex42ff878

70252664 has 8 divisors (see below), whose sum is σ = 131723760. Its totient is φ = 35126328.

The previous prime is 70252643. The next prime is 70252673. The reversal of 70252664 is 46625207.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 70252664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4390784 + ... + 4390799.

It is an arithmetic number, because the mean of its divisors is an integer number (16465470).

Almost surely, 270252664 is an apocalyptic number.

It is an amenable number.

70252664 is a deficient number, since it is larger than the sum of its proper divisors (61471096).

70252664 is a wasteful number, since it uses less digits than its factorization.

70252664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781589 (or 8781585 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 70252664 is about 8381.6862265298. The cubic root of 70252664 is about 412.6237919248.

The spelling of 70252664 in words is "seventy million, two hundred fifty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 8781583 17563166 35126332 70252664