Search a number
-
+
70029599 = 411708039
BaseRepresentation
bin1000010110010…
…01000100011111
311212202212112212
410023021010133
5120411421344
610540551035
71510145633
oct413110437
9155685485
1070029599
1136591302
121b55247b
131167c143
14942cdc3
15623479e
hex42c911f

70029599 has 4 divisors (see below), whose sum is σ = 71737680. Its totient is φ = 68321520.

The previous prime is 70029581. The next prime is 70029607. The reversal of 70029599 is 99592007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99592007 = 128977263.

It is a cyclic number.

It is not a de Polignac number, because 70029599 - 220 = 68981023 is a prime.

It is a super-2 number, since 2×700295992 = 9808289472201602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1708039 = 70029599 / (7 + 0 + 0 + 2 + 9 + 5 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70029529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853979 + ... + 854060.

It is an arithmetic number, because the mean of its divisors is an integer number (17934420).

Almost surely, 270029599 is an apocalyptic number.

70029599 is a deficient number, since it is larger than the sum of its proper divisors (1708081).

70029599 is a wasteful number, since it uses less digits than its factorization.

70029599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708080.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 70029599 is about 8368.3689569712. The cubic root of 70029599 is about 412.1866103304.

The spelling of 70029599 in words is "seventy million, twenty-nine thousand, five hundred ninety-nine".

Divisors: 1 41 1708039 70029599