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380629153 = 953399401
BaseRepresentation
bin10110101011111…
…111000010100001
3222112012222001001
4112223333002201
51234420113103
6101434112001
712301202662
oct2653770241
9875188031
10380629153
11185945353
12a757b601
1360b1b668
14387a1369
152363901d
hex16aff0a1

380629153 has 4 divisors (see below), whose sum is σ = 381029508. Its totient is φ = 380228800.

The previous prime is 380629141. The next prime is 380629157. The reversal of 380629153 is 351926083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168402529 + 212226624 = 12977^2 + 14568^2 .

It is a cyclic number.

It is not a de Polignac number, because 380629153 - 29 = 380628641 is a prime.

It is a super-2 number, since 2×3806291532 = 289757104226994818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380629157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198748 + ... + 200653.

It is an arithmetic number, because the mean of its divisors is an integer number (95257377).

Almost surely, 2380629153 is an apocalyptic number.

It is an amenable number.

380629153 is a deficient number, since it is larger than the sum of its proper divisors (400355).

380629153 is an equidigital number, since it uses as much as digits as its factorization.

380629153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400354.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 380629153 is about 19509.7194495462. The cubic root of 380629153 is about 724.7151654784.

The spelling of 380629153 in words is "three hundred eighty million, six hundred twenty-nine thousand, one hundred fifty-three".

Divisors: 1 953 399401 380629153