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70169501 = 371896473
BaseRepresentation
bin1000010111010…
…11001110011101
311220000222110102
410023223032131
5120430411001
610543550445
71511300543
oct413531635
9156028412
1070169501
1136677426
121b5bb425
13116caa1c
149467d93
156260e6b
hex42eb39d

70169501 has 4 divisors (see below), whose sum is σ = 72066012. Its totient is φ = 68272992.

The previous prime is 70169479. The next prime is 70169503. The reversal of 70169501 is 10596107.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 26265625 = 6626^2 + 5125^2 .

It is not a de Polignac number, because 70169501 - 226 = 3060637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70169503) 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, 948200 + ... + 948273.

It is an arithmetic number, because the mean of its divisors is an integer number (18016503).

Almost surely, 270169501 is an apocalyptic number.

It is an amenable number.

70169501 is a deficient number, since it is larger than the sum of its proper divisors (1896511).

70169501 is a wasteful number, since it uses less digits than its factorization.

70169501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896510.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 70169501 is about 8376.7237629040. The cubic root of 70169501 is about 412.4609104067.

The spelling of 70169501 in words is "seventy million, one hundred sixty-nine thousand, five hundred one".

Divisors: 1 37 1896473 70169501