Search a number
-
+
418356980 = 22520917849
BaseRepresentation
bin11000111011111…
…001111011110100
31002011012201212222
4120323321323310
51324044410410
6105302501512
713236655436
oct3073717364
91064181788
10418356980
111a5173878
12b8134898
136889ac12
143d7c2656
1526adc955
hex18ef9ef4

418356980 has 12 divisors (see below), whose sum is σ = 878549700. Its totient is φ = 167342784.

The previous prime is 418356973. The next prime is 418357003. The reversal of 418356980 is 89653814.

It can be written as a sum of positive squares in 2 ways, for example, as 209496676 + 208860304 = 14474^2 + 14452^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10458905 + ... + 10458944.

It is an arithmetic number, because the mean of its divisors is an integer number (73212475).

Almost surely, 2418356980 is an apocalyptic number.

It is an amenable number.

418356980 is an abundant number, since it is smaller than the sum of its proper divisors (460192720).

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

418356980 is a wasteful number, since it uses less digits than its factorization.

418356980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20917858 (or 20917856 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 418356980 is about 20453.7766683808. The cubic root of 418356980 is about 747.9094254861.

The spelling of 418356980 in words is "four hundred eighteen million, three hundred fifty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 20917849 41835698 83671396 104589245 209178490 418356980