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2190927452 = 227139562931
BaseRepresentation
bin1000001010010110…
…1110011001011100
312122200121122110012
42002211232121130
513441334134302
61001223102352
7105202401410
oct20245563134
95580548405
102190927452
11a247a324a
125118a19b8
1328bba5c9c
1416ad98d40
15cc528a52
hex8296e65c

2190927452 has 24 divisors (see below), whose sum is σ = 4413386880. Its totient is φ = 932212080.

The previous prime is 2190927407. The next prime is 2190927493. The reversal of 2190927452 is 2547290912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277574 + ... + 285357.

It is an arithmetic number, because the mean of its divisors is an integer number (183891120).

Almost surely, 22190927452 is an apocalyptic number.

It is an amenable number.

2190927452 is an abundant number, since it is smaller than the sum of its proper divisors (2222459428).

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

2190927452 is a wasteful number, since it uses less digits than its factorization.

2190927452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563081 (or 563079 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2190927452 is about 46807.3439964286. The cubic root of 2190927452 is about 1298.8011535533.

The spelling of 2190927452 in words is "two billion, one hundred ninety million, nine hundred twenty-seven thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 139 278 556 973 1946 3892 562931 1125862 2251724 3940517 7881034 15762068 78247409 156494818 312989636 547731863 1095463726 2190927452