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1814102490 = 235431406281
BaseRepresentation
bin110110000100001…
…0000000111011010
311200102112221210010
41230020100013122
512203402234430
6500002302350
762645421354
oct15410200732
94612487703
101814102490
11851017062
124276579b6
1322baba035
14132d080d4
15a93e1cb0
hex6c2101da

1814102490 has 32 divisors (see below), whose sum is σ = 4455101376. Its totient is φ = 472510080.

The previous prime is 1814102473. The next prime is 1814102513. The reversal of 1814102490 is 942014181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701851 + ... + 704430.

It is an arithmetic number, because the mean of its divisors is an integer number (139221918).

Almost surely, 21814102490 is an apocalyptic number.

1814102490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1814102490 is an abundant number, since it is smaller than the sum of its proper divisors (2640998886).

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

1814102490 is a wasteful number, since it uses less digits than its factorization.

1814102490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406334.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1814102490 is about 42592.2820473381. The cubic root of 1814102490 is about 1219.6089604950.

The spelling of 1814102490 in words is "one billion, eight hundred fourteen million, one hundred two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 1406281 2812562 4218843 7031405 8437686 14062810 21094215 42188430 60470083 120940166 181410249 302350415 362820498 604700830 907051245 1814102490