Search a number
-
+
387239274 = 232199108107
BaseRepresentation
bin10111000101001…
…100110101101010
3222222122210102100
4113011030311222
51243113124044
6102231514230
712411323322
oct2705146552
9888583370
10387239274
1118964a664
12a9828976
13622c4286
1439602282
1523ee2869
hex1714cd6a

387239274 has 24 divisors (see below), whose sum is σ = 843242400. Its totient is φ = 128429928.

The previous prime is 387239273. The next prime is 387239287. The reversal of 387239274 is 472932783.

It is not an unprimeable number, because it can be changed into a prime (387239273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50472 + ... + 57635.

It is an arithmetic number, because the mean of its divisors is an integer number (35135100).

Almost surely, 2387239274 is an apocalyptic number.

387239274 is an abundant number, since it is smaller than the sum of its proper divisors (456003126).

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

387239274 is a wasteful number, since it uses less digits than its factorization.

387239274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108314 (or 108311 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 387239274 is about 19678.3961236682. The cubic root of 387239274 is about 728.8863196092.

The spelling of 387239274 in words is "three hundred eighty-seven million, two hundred thirty-nine thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 199 398 597 1194 1791 3582 108107 216214 324321 648642 972963 1945926 21513293 43026586 64539879 129079758 193619637 387239274