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2072380284 = 2232134428163
BaseRepresentation
bin111101110000110…
…0000001101111100
312100102112211022100
41323201200031330
513221012132114
6541350145100
7102232641012
oct17341401574
95312484270
102072380284
11973893a87
1249a052190
1327046a430
1415933a8b2
15c1e0d909
hex7b86037c

2072380284 has 36 divisors (see below), whose sum is σ = 5641480936. Its totient is φ = 637655328.

The previous prime is 2072380253. The next prime is 2072380351. The reversal of 2072380284 is 4820832702.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2213614 + ... + 2214549.

Almost surely, 22072380284 is an apocalyptic number.

It is an amenable number.

2072380284 is an abundant number, since it is smaller than the sum of its proper divisors (3569100652).

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

2072380284 is a wasteful number, since it uses less digits than its factorization.

2072380284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428186 (or 4428181 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2072380284 is about 45523.4036952423. The cubic root of 2072380284 is about 1274.9402066538.

The spelling of 2072380284 in words is "two billion, seventy-two million, three hundred eighty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 4428163 8856326 13284489 17712652 26568978 39853467 53137956 57566119 79706934 115132238 159413868 172698357 230264476 345396714 518095071 690793428 1036190142 2072380284