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122985396 = 22326195519
BaseRepresentation
bin1110101010010…
…01101110110100
322120102022020200
413111021232310
5222441013041
620112000500
73022234002
oct725115664
9276368220
10122985396
1163470826
1235230130
131c630a31
1412495a72
15abe51b6
hex7549bb4

122985396 has 36 divisors (see below), whose sum is σ = 311438400. Its totient is φ = 40921488.

The previous prime is 122985389. The next prime is 122985397. The reversal of 122985396 is 693589221.

122985396 is a `hidden beast` number, since 1 + 22 + 98 + 539 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122985397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19525 + ... + 25043.

Almost surely, 2122985396 is an apocalyptic number.

It is an amenable number.

122985396 is an abundant number, since it is smaller than the sum of its proper divisors (188453004).

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

122985396 is a wasteful number, since it uses less digits than its factorization.

122985396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148 (or 6143 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 122985396 is about 11089.8780876978. The cubic root of 122985396 is about 497.2993000372.

The spelling of 122985396 in words is "one hundred twenty-two million, nine hundred eighty-five thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 619 1238 1857 2476 3714 5519 5571 7428 11038 11142 16557 22076 22284 33114 49671 66228 99342 198684 3416261 6832522 10248783 13665044 20497566 30746349 40995132 61492698 122985396