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2190005236 = 221912866499
BaseRepresentation
bin1000001010001000…
…1101001111110100
312122121212210102001
42002202031033310
513441120131421
61001151225044
7105161510626
oct20242151764
95577783361
102190005236
11a24223391
12511518184
1328b9422b3
1416abd8c16
15cc3e5691
hex8288d3f4

2190005236 has 12 divisors (see below), whose sum is σ = 3852576000. Its totient is φ = 1089269240.

The previous prime is 2190005221. The next prime is 2190005291. The reversal of 2190005236 is 6325000912.

It is a super-2 number, since 2×21900052362 = 9592245867414831392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432486 + ... + 1434013.

It is an arithmetic number, because the mean of its divisors is an integer number (321048000).

Almost surely, 22190005236 is an apocalyptic number.

It is an amenable number.

2190005236 is a deficient number, since it is larger than the sum of its proper divisors (1662570764).

2190005236 is a wasteful number, since it uses less digits than its factorization.

2190005236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866694 (or 2866692 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2190005236 is about 46797.4917703930. The cubic root of 2190005236 is about 1298.6188953806.

The spelling of 2190005236 in words is "two billion, one hundred ninety million, five thousand, two hundred thirty-six".

Divisors: 1 2 4 191 382 764 2866499 5732998 11465996 547501309 1095002618 2190005236