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1936994380 = 225389248971
BaseRepresentation
bin111001101110100…
…0011000001001100
311222222210111202121
41303131003001030
512431332310010
6520112302324
766000115636
oct16335030114
94888714677
101936994380
11904423602
124608419a4
1324b3b7329
14145377a56
15b50b93da
hex7374304c

1936994380 has 24 divisors (see below), whose sum is σ = 4078161360. Its totient is φ = 772802880.

The previous prime is 1936994377. The next prime is 1936994401. The reversal of 1936994380 is 834996391.

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, 116706 + ... + 132265.

It is an arithmetic number, because the mean of its divisors is an integer number (169923390).

Almost surely, 21936994380 is an apocalyptic number.

1936994380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936994380 is an abundant number, since it is smaller than the sum of its proper divisors (2141166980).

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

1936994380 is a wasteful number, since it uses less digits than its factorization.

1936994380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249369 (or 249367 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 1936994380 is about 44011.2983221354. The cubic root of 1936994380 is about 1246.5492838790.

The spelling of 1936994380 in words is "one billion, nine hundred thirty-six million, nine hundred ninety-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 248971 497942 995884 1244855 2489710 4979420 96849719 193699438 387398876 484248595 968497190 1936994380