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3120070 = 25312007
BaseRepresentation
bin1011111001101111000110
312212111221011
423321233012
51244320240
6150512434
735343262
oct13715706
95774834
103120070
111841178
12106571a
138531c5
145b30a2
154196ea
hex2f9bc6

3120070 has 8 divisors (see below), whose sum is σ = 5616144. Its totient is φ = 1248024.

The previous prime is 3120067. The next prime is 3120071. The reversal of 3120070 is 700213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3120070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120071) 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, 155994 + ... + 156013.

It is an arithmetic number, because the mean of its divisors is an integer number (702018).

Almost surely, 23120070 is an apocalyptic number.

3120070 is a deficient number, since it is larger than the sum of its proper divisors (2496074).

3120070 is a wasteful number, since it uses less digits than its factorization.

3120070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312014.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 3120070 is about 1766.3719880025. The cubic root of 3120070 is about 146.1239642723.

Adding to 3120070 its reverse (700213), we get a palindrome (3820283).

It can be divided in two parts, 31 and 20070, that multiplied together give a triangular number (622170 = T1115).

The spelling of 3120070 in words is "three million, one hundred twenty thousand, seventy".

Divisors: 1 2 5 10 312007 624014 1560035 3120070