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7980070 = 257114001
BaseRepresentation
bin11110011100010000100110
3120000102121011
4132130100212
54020330240
6443012434
7124554340
oct36342046
916012534
107980070
1145605aa
12280a11a
131865347
1410ba290
15a796ea
hex79c426

7980070 has 16 divisors (see below), whose sum is σ = 16416288. Its totient is φ = 2736000.

The previous prime is 7980067. The next prime is 7980101. The reversal of 7980070 is 700897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56931 + ... + 57070.

It is an arithmetic number, because the mean of its divisors is an integer number (1026018).

Almost surely, 27980070 is an apocalyptic number.

7980070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7980070 is an abundant number, since it is smaller than the sum of its proper divisors (8436218).

7980070 is a wasteful number, since it uses less digits than its factorization.

7980070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114015.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 7980070 is about 2824.9017682036. The cubic root of 7980070 is about 199.8337785571.

The spelling of 7980070 in words is "seven million, nine hundred eighty thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 114001 228002 570005 798007 1140010 1596014 3990035 7980070