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1942957970 = 25613185177
BaseRepresentation
bin111001111001111…
…0010111110010010
312000102000111021022
41303303302332102
512434344123340
6520444155442
766101604332
oct16363627622
95012014238
101942957970
11907827098
12462838b82
1324c6c4895
1414608b0c2
15b58963b5
hex73cf2f92

1942957970 has 16 divisors (see below), whose sum is σ = 3554658648. Its totient is φ = 764442240.

The previous prime is 1942957937. The next prime is 1942957987. The reversal of 1942957970 is 797592491.

It can be written as a sum of positive squares in 4 ways, for example, as 1346963401 + 595994569 = 36701^2 + 24413^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591979 + ... + 1593198.

Almost surely, 21942957970 is an apocalyptic number.

1942957970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942957970 is a deficient number, since it is larger than the sum of its proper divisors (1611700678).

1942957970 is a wasteful number, since it uses less digits than its factorization.

1942957970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185245.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The square root of 1942957970 is about 44078.9969259737. The cubic root of 1942957970 is about 1247.8272591459.

The spelling of 1942957970 in words is "one billion, nine hundred forty-two million, nine hundred fifty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 61 122 305 610 3185177 6370354 15925885 31851770 194295797 388591594 971478985 1942957970