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1555088141 = 17293154337
BaseRepresentation
bin101110010110000…
…1100001100001101
311000101011122220002
41130230030030031
511141100310031
6414150534045
753352013445
oct13454141415
94011148802
101555088141
11728896812
12374967325
131ba23c5c9
1410a763125
15917cbccb
hex5cb0c30d

1555088141 has 8 divisors (see below), whose sum is σ = 1703342520. Its totient is φ = 1413142528.

The previous prime is 1555088137. The next prime is 1555088153. The reversal of 1555088141 is 1418805551.

It can be written as a sum of positive squares in 4 ways, for example, as 395413225 + 1159674916 = 19885^2 + 34054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1555088141 - 22 = 1555088137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1555088095 and 1555088104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555088191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576676 + ... + 1577661.

It is an arithmetic number, because the mean of its divisors is an integer number (212917815).

Almost surely, 21555088141 is an apocalyptic number.

It is an amenable number.

1555088141 is a deficient number, since it is larger than the sum of its proper divisors (148254379).

1555088141 is a wasteful number, since it uses less digits than its factorization.

1555088141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154383.

The product of its (nonzero) digits is 32000, while the sum is 38.

The square root of 1555088141 is about 39434.6058811293. The cubic root of 1555088141 is about 1158.5594834232.

The spelling of 1555088141 in words is "one billion, five hundred fifty-five million, eighty-eight thousand, one hundred forty-one".

Divisors: 1 17 29 493 3154337 53623729 91475773 1555088141