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70679801 = 75919311
BaseRepresentation
bin1000011011001…
…11110011111001
311220222220110102
410031213303321
5121043223201
611002525145
71515524363
oct415476371
9156886412
1070679801
1136995865
121b8067b5
131184908a
14955bd33
15631226b
hex4367cf9

70679801 has 4 divisors (see below), whose sum is σ = 70696704. Its totient is φ = 70662900.

The previous prime is 70679779. The next prime is 70679809. The reversal of 70679801 is 10897607.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70679801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70679809) 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, 2936 + ... + 12246.

It is an arithmetic number, because the mean of its divisors is an integer number (17674176).

Almost surely, 270679801 is an apocalyptic number.

It is an amenable number.

70679801 is a deficient number, since it is larger than the sum of its proper divisors (16903).

70679801 is an equidigital number, since it uses as much as digits as its factorization.

70679801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 70679801 is about 8407.1279876067. The cubic root of 70679801 is about 413.4583552751.

The spelling of 70679801 in words is "seventy million, six hundred seventy-nine thousand, eight hundred one".

Divisors: 1 7591 9311 70679801