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2070631 = 37191293
BaseRepresentation
bin111111001100001100111
310220012101001
413321201213
51012230011
6112214131
723412553
oct7714147
93805331
102070631
111194772
1283a347
13576634
143bc863
152ad7c1
hex1f9867

2070631 has 8 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 1997280.

The previous prime is 2070619. The next prime is 2070641. The reversal of 2070631 is 1360702.

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 2070631 - 217 = 1939559 is a prime.

It is a super-2 number, since 2×20706312 = 8575025476322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2070599 and 2070608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070611) 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, 6921 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

22070631 is an apocalyptic number.

2070631 is a deficient number, since it is larger than the sum of its proper divisors (74393).

2070631 is a wasteful number, since it uses less digits than its factorization.

2070631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2070631 is about 1438.9687279437. The cubic root of 2070631 is about 127.4581382500.

It can be divided in two parts, 2070 and 631, that added together give a triangular number (2701 = T73).

The spelling of 2070631 in words is "two million, seventy thousand, six hundred thirty-one".

Divisors: 1 37 191 293 7067 10841 55963 2070631