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1942842830 = 251013191791
BaseRepresentation
bin111001111001101…
…0110110111001110
312000101210122022212
41303303112313032
512434331432310
6520441510422
766100614545
oct16363266716
95011718285
101942842830
11907758635
124627a2412
1324c684356
1414605b15c
15b5872205
hex73cd6dce

1942842830 has 16 divisors (see below), whose sum is σ = 3500587584. Its totient is φ = 776365920.

The previous prime is 1942842817. The next prime is 1942842857. The reversal of 1942842830 is 382482491.

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, 85766 + ... + 106025.

It is an arithmetic number, because the mean of its divisors is an integer number (218786724).

Almost surely, 21942842830 is an apocalyptic number.

1942842830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942842830 is a deficient number, since it is larger than the sum of its proper divisors (1557744754).

1942842830 is a wasteful number, since it uses less digits than its factorization.

1942842830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192811.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1942842830 is about 44077.6908424205. The cubic root of 1942842830 is about 1247.8026098447.

The spelling of 1942842830 in words is "one billion, nine hundred forty-two million, eight hundred forty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 1013 2026 5065 10130 191791 383582 958955 1917910 194284283 388568566 971421415 1942842830