Search a number
-
+
70140929 = 1713929683
BaseRepresentation
bin1000010111001…
…00010000000001
311212222112021012
410023210100001
5120424002204
610543210305
71511121335
oct413442001
9155875235
1070140929
1136657a11
121b5a6995
13116baa11
14945b7c5
15625776e
hex42e4401

70140929 has 8 divisors (see below), whose sum is σ = 74803680. Its totient is φ = 65537856.

The previous prime is 70140919. The next prime is 70140949. The reversal of 70140929 is 92904107.

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

It is not a de Polignac number, because 70140929 - 216 = 70075393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70140895 and 70140904.

It is not an unprimeable number, because it can be changed into a prime (70140919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12479 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (9350460).

Almost surely, 270140929 is an apocalyptic number.

It is an amenable number.

70140929 is a deficient number, since it is larger than the sum of its proper divisors (4662751).

70140929 is a wasteful number, since it uses less digits than its factorization.

70140929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29839.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 70140929 is about 8375.0181492341. The cubic root of 70140929 is about 412.4049201124.

The spelling of 70140929 in words is "seventy million, one hundred forty thousand, nine hundred twenty-nine".

Divisors: 1 17 139 2363 29683 504611 4125937 70140929