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70097829 = 323365943
BaseRepresentation
bin1000010110110…
…01101110100101
311212220100010220
410023121232211
5120421112304
610542234553
71510551564
oct413315645
9155810126
1070097829
113662859a
121b585a59
13116a4209
149449bdb
156249ad9
hex42d9ba5

70097829 has 4 divisors (see below), whose sum is σ = 93463776. Its totient is φ = 46731884.

The previous prime is 70097743. The next prime is 70097857. The reversal of 70097829 is 92879007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70097829 - 27 = 70097701 is a prime.

It is a super-3 number, since 3×700978293 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70097029) 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, 11682969 + ... + 11682974.

It is an arithmetic number, because the mean of its divisors is an integer number (23365944).

Almost surely, 270097829 is an apocalyptic number.

It is an amenable number.

70097829 is a deficient number, since it is larger than the sum of its proper divisors (23365947).

70097829 is a wasteful number, since it uses less digits than its factorization.

70097829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23365946.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 70097829 is about 8372.4446250781. Note that the first 3 decimals coincide. The cubic root of 70097829 is about 412.3204316677.

The spelling of 70097829 in words is "seventy million, ninety-seven thousand, eight hundred twenty-nine".

Divisors: 1 3 23365943 70097829