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980907213 = 3111379103281
BaseRepresentation
bin111010011101110…
…111010011001101
32112100202020201210
4322131313103031
54002103012323
6241200125033
733210400536
oct7235672315
92470666653
10980907213
11463773120
12234606779
131282b3990
14943bb68d
155b1ae293
hex3a7774cd

980907213 has 64 divisors (see below), whose sum is σ = 1576673280. Its totient is φ = 534643200.

The previous prime is 980907209. The next prime is 980907227. The reversal of 980907213 is 312709089.

It is not a de Polignac number, because 980907213 - 22 = 980907209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980907283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3490633 + ... + 3490913.

It is an arithmetic number, because the mean of its divisors is an integer number (24635520).

Almost surely, 2980907213 is an apocalyptic number.

It is an amenable number.

980907213 is a deficient number, since it is larger than the sum of its proper divisors (595766067).

980907213 is a wasteful number, since it uses less digits than its factorization.

980907213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 980907213 is about 31319.4382612460. The cubic root of 980907213 is about 993.5947986570.

The spelling of 980907213 in words is "nine hundred eighty million, nine hundred seven thousand, two hundred thirteen".

Divisors: 1 3 11 13 33 39 79 103 143 237 281 309 429 843 869 1027 1133 1339 2607 3081 3091 3399 3653 4017 8137 9273 10959 11297 14729 22199 24411 28943 33891 40183 44187 66597 86829 89507 105781 120549 244189 268521 288587 317343 318373 376259 732567 865761 955119 1128777 1163591 2286497 3174457 3490773 4138849 6859491 9523371 12416547 25151467 29724461 75454401 89173383 326969071 980907213