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1972791030 = 23579394243
BaseRepresentation
bin111010110010110…
…0110011011110110
312002111011011112110
41311211212123312
513020013303110
6523431431450
766613306230
oct16545463366
95074134473
101972791030
11922653111
12470825586
1325593b892
1414a015250
15b82daa20
hex759666f6

1972791030 has 32 divisors (see below), whose sum is σ = 5411084544. Its totient is φ = 450923616.

The previous prime is 1972791017. The next prime is 1972791043. The reversal of 1972791030 is 301972791.

It is an interprime number because it is at equal distance from previous prime (1972791017) and next prime (1972791043).

It is a self number, because there is not a number n which added to its sum of digits gives 1972791030.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4696912 + ... + 4697331.

It is an arithmetic number, because the mean of its divisors is an integer number (169096392).

Almost surely, 21972791030 is an apocalyptic number.

1972791030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972791030 is an abundant number, since it is smaller than the sum of its proper divisors (3438293514).

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

1972791030 is a wasteful number, since it uses less digits than its factorization.

1972791030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394260.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 1972791030 is about 44416.1122792169. The cubic root of 1972791030 is about 1254.1814167400.

The spelling of 1972791030 in words is "one billion, nine hundred seventy-two million, seven hundred ninety-one thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 9394243 18788486 28182729 46971215 56365458 65759701 93942430 131519402 140913645 197279103 281827290 328798505 394558206 657597010 986395515 1972791030