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155641030 = 2536742409
BaseRepresentation
bin10010100011011…
…10010011000110
3101211212101100121
421101232103012
5304321003110
623235532154
73566632636
oct1121562306
9354771317
10155641030
117a945456
124415a05a
13263256ac
14169566c6
15d9e5cda
hex946e4c6

155641030 has 16 divisors (see below), whose sum is σ = 280923840. Its totient is φ = 62085312.

The previous prime is 155641009. The next prime is 155641051. The reversal of 155641030 is 30146551.

It is an interprime number because it is at equal distance from previous prime (155641009) and next prime (155641051).

It is a junction number, because it is equal to n+sod(n) for n = 155640986 and 155641004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17535 + ... + 24874.

It is an arithmetic number, because the mean of its divisors is an integer number (17557740).

Almost surely, 2155641030 is an apocalyptic number.

155641030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155641030 is a deficient number, since it is larger than the sum of its proper divisors (125282810).

155641030 is a wasteful number, since it uses less digits than its factorization.

155641030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42783.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 155641030 is about 12475.6174195909. The cubic root of 155641030 is about 537.9080355791.

Adding to 155641030 its reverse (30146551), we get a palindrome (185787581).

The spelling of 155641030 in words is "one hundred fifty-five million, six hundred forty-one thousand, thirty".

Divisors: 1 2 5 10 367 734 1835 3670 42409 84818 212045 424090 15564103 31128206 77820515 155641030