Search a number
-
+
368478477 = 344549117
BaseRepresentation
bin10101111101101…
…000100100001101
3221200100122110000
4111331220210031
51223312302402
6100321434513
712063005163
oct2575504415
9850318400
10368478477
11179aa6374
12a349ba39
135b455c03
1436d1b233
1522538c1c
hex15f6890d

368478477 has 10 divisors (see below), whose sum is σ = 550443278. Its totient is φ = 245652264.

The previous prime is 368478463. The next prime is 368478557. The reversal of 368478477 is 774874863.

It can be written as a sum of positive squares in only one way, i.e., 366109956 + 2368521 = 19134^2 + 1539^2 .

It is not a de Polignac number, because 368478477 - 211 = 368476429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368478977) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2274478 + ... + 2274639.

Almost surely, 2368478477 is an apocalyptic number.

It is an amenable number.

368478477 is a deficient number, since it is larger than the sum of its proper divisors (181964801).

368478477 is an equidigital number, since it uses as much as digits as its factorization.

368478477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549129 (or 4549120 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 368478477 is about 19195.7932110137. The cubic root of 368478477 is about 716.9200204901.

The spelling of 368478477 in words is "three hundred sixty-eight million, four hundred seventy-eight thousand, four hundred seventy-seven".

Divisors: 1 3 9 27 81 4549117 13647351 40942053 122826159 368478477