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1913424190 = 25672855857
BaseRepresentation
bin111001000001100…
…1000100100111110
311221100110000112121
41302003020210332
512404314033230
6513511153154
765262560116
oct16203104476
94840400477
101913424190
118a2094a07
124549757ba
13246553b82
141421a0046
15b2eb077a
hex720c893e

1913424190 has 16 divisors (see below), whose sum is σ = 3495570192. Its totient is φ = 753945984.

The previous prime is 1913424181. The next prime is 1913424209. The reversal of 1913424190 is 914243191.

It is a super-2 number, since 2×19134241902 = 7322384261754312200, 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 7 ways as a sum of consecutive naturals, for example, 1427259 + ... + 1428598.

It is an arithmetic number, because the mean of its divisors is an integer number (218473137).

Almost surely, 21913424190 is an apocalyptic number.

1913424190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1913424190 is a deficient number, since it is larger than the sum of its proper divisors (1582146002).

1913424190 is a wasteful number, since it uses less digits than its factorization.

1913424190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855931.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1913424190 is about 43742.7044202802. The cubic root of 1913424190 is about 1241.4724508828.

The spelling of 1913424190 in words is "one billion, nine hundred thirteen million, four hundred twenty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 2855857 5711714 14279285 28558570 191342419 382684838 956712095 1913424190