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70200980 = 22579157283
BaseRepresentation
bin1000010111100…
…10111010010100
311220002120122022
410023302322110
5120432412410
610544352312
71511461403
oct413627224
9156076568
1070200980
1136699043
121b615698
131170c155
14947563a
15626a455
hex42f2e94

70200980 has 48 divisors (see below), whose sum is σ = 150769920. Its totient is φ = 27451008.

The previous prime is 70200947. The next prime is 70200997. The reversal of 70200980 is 8900207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 247919 + ... + 248201.

It is an arithmetic number, because the mean of its divisors is an integer number (3141040).

Almost surely, 270200980 is an apocalyptic number.

It is an amenable number.

70200980 is an abundant number, since it is smaller than the sum of its proper divisors (80568940).

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

70200980 is a wasteful number, since it uses less digits than its factorization.

70200980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 70200980 is about 8378.6025087720. The cubic root of 70200980 is about 412.5225797251.

The spelling of 70200980 in words is "seventy million, two hundred thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 79 157 158 283 314 316 395 566 628 785 790 1132 1415 1570 1580 2830 3140 5660 12403 22357 24806 44431 44714 49612 62015 88862 89428 111785 124030 177724 222155 223570 248060 444310 447140 888620 3510049 7020098 14040196 17550245 35100490 70200980