Search a number
-
+
1975933340 = 225731737823
BaseRepresentation
bin111010111000110…
…0101100110011100
312002201001210222022
41311301211212130
513021314331330
6524023035312
766652104413
oct16561454634
95081053868
101975933340
119243a9a67
1247189bb38
1325649bc34
1414a5d247a
15b870bae5
hex75c6599c

1975933340 has 48 divisors (see below), whose sum is σ = 4231156608. Its totient is φ = 774941184.

The previous prime is 1975933319. The next prime is 1975933417. The reversal of 1975933340 is 433395791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1975933291 and 1975933300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248669 + ... + 256491.

It is an arithmetic number, because the mean of its divisors is an integer number (88149096).

Almost surely, 21975933340 is an apocalyptic number.

1975933340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1975933340 is an abundant number, since it is smaller than the sum of its proper divisors (2255223268).

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

1975933340 is a wasteful number, since it uses less digits than its factorization.

1975933340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8076 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 1975933340 is about 44451.4717416645. The cubic root of 1975933340 is about 1254.8469604870.

The spelling of 1975933340 in words is "one billion, nine hundred seventy-five million, nine hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 73 146 173 292 346 365 692 730 865 1460 1730 3460 7823 12629 15646 25258 31292 39115 50516 63145 78230 126290 156460 252580 571079 1142158 1353379 2284316 2706758 2855395 5413516 5710790 6766895 11421580 13533790 27067580 98796667 197593334 395186668 493983335 987966670 1975933340