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381473262 = 232231575869
BaseRepresentation
bin10110101111001…
…101000111101110
3222120210211221100
4112233031013232
51240124121022
6101504143530
712311316642
oct2657150756
9876724840
10381473262
11186371565
12a7907ba6
1361055931
1438940c22
15237541ac
hex16bcd1ee

381473262 has 48 divisors (see below), whose sum is σ = 868102560. Its totient is φ = 120833856.

The previous prime is 381473233. The next prime is 381473299. The reversal of 381473262 is 262374183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62064 + ... + 67932.

It is an arithmetic number, because the mean of its divisors is an integer number (18085470).

Almost surely, 2381473262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381473262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434051280).

381473262 is an abundant number, since it is smaller than the sum of its proper divisors (486629298).

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

381473262 is a wasteful number, since it uses less digits than its factorization.

381473262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057 (or 6054 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 381473262 is about 19531.3405069903. The cubic root of 381473262 is about 725.2504957635.

The spelling of 381473262 in words is "three hundred eighty-one million, four hundred seventy-three thousand, two hundred sixty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 157 207 314 414 471 942 1413 2826 3611 5869 7222 10833 11738 17607 21666 32499 35214 52821 64998 105642 134987 269974 404961 809922 921433 1214883 1842866 2429766 2764299 5528598 8292897 16585794 21192959 42385918 63578877 127157754 190736631 381473262