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701072021 = 13227237571
BaseRepresentation
bin101001110010011…
…000001010010101
31210212012011000102
4221302120022111
52413433301041
6153322223445
723242004516
oct5162301225
91725164012
10701072021
1132a811871
12176954b85
13b2326320
1469176a0d
154183509b
hex29c98295

701072021 has 8 divisors (see below), whose sum is σ = 758329824. Its totient is φ = 644289840.

The previous prime is 701071979. The next prime is 701072063. The reversal of 701072021 is 120270107.

It is an interprime number because it is at equal distance from previous prime (701071979) and next prime (701072063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 701072021 - 214 = 701055637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 701071984 and 701072002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701072081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115835 + ... + 121736.

It is an arithmetic number, because the mean of its divisors is an integer number (94791228).

Almost surely, 2701072021 is an apocalyptic number.

It is an amenable number.

701072021 is a deficient number, since it is larger than the sum of its proper divisors (57257803).

701072021 is a wasteful number, since it uses less digits than its factorization.

701072021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237811.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 701072021 is about 26477.7646526288. The cubic root of 701072021 is about 888.3570332863.

The spelling of 701072021 in words is "seven hundred one million, seventy-two thousand, twenty-one".

Divisors: 1 13 227 2951 237571 3088423 53928617 701072021