Search a number
-
+
378956097 = 33131079647
BaseRepresentation
bin10110100101100…
…110100101000001
3222102001222001000
4112211212211001
51234003043342
6101334202213
712251034162
oct2645464501
9872058030
10378956097
11184a02363
12a6ab3369
1360683ca0
1438487769
152340844c
hex16966941

378956097 has 16 divisors (see below), whose sum is σ = 604602880. Its totient is φ = 233203536.

The previous prime is 378956077. The next prime is 378956101. The reversal of 378956097 is 790659873.

378956097 is a `hidden beast` number, since 3 + 78 + 9 + 560 + 9 + 7 = 666.

It is not a de Polignac number, because 378956097 - 226 = 311847233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378956077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539473 + ... + 540174.

It is an arithmetic number, because the mean of its divisors is an integer number (37787680).

Almost surely, 2378956097 is an apocalyptic number.

It is an amenable number.

378956097 is a deficient number, since it is larger than the sum of its proper divisors (225646783).

378956097 is a wasteful number, since it uses less digits than its factorization.

378956097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079669 (or 1079663 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 378956097 is about 19466.7947284601. The cubic root of 378956097 is about 723.6517770540.

The spelling of 378956097 in words is "three hundred seventy-eight million, nine hundred fifty-six thousand, ninety-seven".

Divisors: 1 3 9 13 27 39 117 351 1079647 3238941 9716823 14035411 29150469 42106233 126318699 378956097