Search a number
-
+
70407142 = 2132707967
BaseRepresentation
bin1000011001001…
…01001111100110
311220111001102221
410030211033212
5121011012032
610553022554
71513310431
oct414451746
9156431387
1070407142
1136819a23
121b6b4a5a
1311781c40
1494ca818
1562ab597
hex43253e6

70407142 has 8 divisors (see below), whose sum is σ = 113734656. Its totient is φ = 32495592.

The previous prime is 70407131. The next prime is 70407167. The reversal of 70407142 is 24170407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353958 + ... + 1354009.

It is an arithmetic number, because the mean of its divisors is an integer number (14216832).

Almost surely, 270407142 is an apocalyptic number.

70407142 is a deficient number, since it is larger than the sum of its proper divisors (43327514).

70407142 is a wasteful number, since it uses less digits than its factorization.

70407142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707982.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 70407142 is about 8390.8963764308. The cubic root of 70407142 is about 412.9260088630.

Adding to 70407142 its reverse (24170407), we get a palindrome (94577549).

The spelling of 70407142 in words is "seventy million, four hundred seven thousand, one hundred forty-two".

Divisors: 1 2 13 26 2707967 5415934 35203571 70407142