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499378356 = 223213871621
BaseRepresentation
bin11101110000111…
…110100010110100
31021210200001022200
4131300332202310
52010320101411
6121315224500
715242434401
oct3560764264
91253601280
10499378356
11236982394
1211b2a8130
137c5c8169
144a4732a8
152dc93e56
hex1dc3e8b4

499378356 has 18 divisors (see below), whose sum is σ = 1262317602. Its totient is φ = 166459440.

The previous prime is 499378343. The next prime is 499378367. The reversal of 499378356 is 653873994.

It can be written as a sum of positive squares in only one way, i.e., 425761956 + 73616400 = 20634^2 + 8580^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6935775 + ... + 6935846.

Almost surely, 2499378356 is an apocalyptic number.

It is an amenable number.

499378356 is an abundant number, since it is smaller than the sum of its proper divisors (762939246).

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

499378356 is a wasteful number, since it uses less digits than its factorization.

499378356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871631 (or 13871626 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 499378356 is about 22346.7750693473. The cubic root of 499378356 is about 793.3714567906.

The spelling of 499378356 in words is "four hundred ninety-nine million, three hundred seventy-eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 13871621 27743242 41614863 55486484 83229726 124844589 166459452 249689178 499378356