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70070307 = 323356769
BaseRepresentation
bin1000010110100…
…11000000100011
311212211221101120
410023103000203
5120414222212
610541503323
71510405416
oct413230043
9155757346
1070070307
113660994a
121b571b43
1311694828
14943db7d
15624188c
hex42d3023

70070307 has 4 divisors (see below), whose sum is σ = 93427080. Its totient is φ = 46713536.

The previous prime is 70070269. The next prime is 70070321. The reversal of 70070307 is 70307007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70307007 = 323435669.

It is a cyclic number.

It is not a de Polignac number, because 70070307 - 220 = 69021731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70070207) 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, 11678382 + ... + 11678387.

It is an arithmetic number, because the mean of its divisors is an integer number (23356770).

Almost surely, 270070307 is an apocalyptic number.

70070307 is a deficient number, since it is larger than the sum of its proper divisors (23356773).

70070307 is a wasteful number, since it uses less digits than its factorization.

70070307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356772.

The product of its (nonzero) digits is 1029, while the sum is 24.

The square root of 70070307 is about 8370.8008577435. The cubic root of 70070307 is about 412.2664624813.

The spelling of 70070307 in words is "seventy million, seventy thousand, three hundred seven".

Divisors: 1 3 23356769 70070307