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7053980 = 2251720747
BaseRepresentation
bin11010111010001010011100
3111021101020112
4122322022130
53301211410
6411105152
7113646353
oct32721234
914241215
107053980
113a8883a
1224421b8
1315cc96b
14d1899a
15945105
hex6ba29c

7053980 has 24 divisors (see below), whose sum is σ = 15685488. Its totient is φ = 2655488.

The previous prime is 7053973. The next prime is 7054001. The reversal of 7053980 is 893507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10034 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 27053980 is an apocalyptic number.

It is an amenable number.

7053980 is an abundant number, since it is smaller than the sum of its proper divisors (8631508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7053980 is a wasteful number, since it uses less digits than its factorization.

7053980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773 (or 20771 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 7053980 is about 2655.9329810822. The cubic root of 7053980 is about 191.7835741302.

It can be divided in two parts, 70539 and 80, that multiplied together give a triangular number (5643120 = T3359).

The spelling of 7053980 in words is "seven million, fifty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 20747 41494 82988 103735 207470 352699 414940 705398 1410796 1763495 3526990 7053980