Search a number
-
+
2972557237 = 1323103263367
BaseRepresentation
bin1011000100101101…
…1001111110110101
321200011101112221111
42301023121332311
522041433312422
61210544115021
7133443214426
oct26113317665
97604345844
102972557237
111295a27281
126ab605a71
13384ac6510
14202b0164d
15125e72a77
hexb12d9fb5

2972557237 has 32 divisors (see below), whose sum is σ = 3394879488. Its totient is φ = 2582179776.

The previous prime is 2972557223. The next prime is 2972557241. The reversal of 2972557237 is 7327552792.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2972557237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972557207) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8099428 + ... + 8099794.

It is an arithmetic number, because the mean of its divisors is an integer number (106089984).

Almost surely, 22972557237 is an apocalyptic number.

It is an amenable number.

2972557237 is a deficient number, since it is larger than the sum of its proper divisors (422322251).

2972557237 is a wasteful number, since it uses less digits than its factorization.

2972557237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 1852200, while the sum is 49.

The square root of 2972557237 is about 54521.1632029252. The cubic root of 2972557237 is about 1437.8383908285.

The spelling of 2972557237 in words is "two billion, nine hundred seventy-two million, five hundred fifty-seven thousand, two hundred thirty-seven".

Divisors: 1 13 23 103 263 299 367 1339 2369 3419 4771 6049 8441 27089 30797 37801 78637 96521 109733 352157 491413 623047 869423 1254773 2219983 8099611 9941663 11302499 28859779 129241619 228658249 2972557237