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190629055 = 538125811
BaseRepresentation
bin10110101110011…
…00010010111111
3111021200221220101
423113030102333
5342300112210
630525501531
74503214561
oct1327142277
9437627811
10190629055
1198672481
1253a118a7
1330655b76
141b463331
1511b07a3a
hexb5cc4bf

190629055 has 4 divisors (see below), whose sum is σ = 228754872. Its totient is φ = 152503240.

The previous prime is 190629031. The next prime is 190629073. The reversal of 190629055 is 550926091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550926091 = 1035348797.

It is not a de Polignac number, because 190629055 - 27 = 190628927 is a prime.

It is a super-2 number, since 2×1906290552 = 72678873220386050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19062901 + ... + 19062910.

It is an arithmetic number, because the mean of its divisors is an integer number (57188718).

Almost surely, 2190629055 is an apocalyptic number.

190629055 is a deficient number, since it is larger than the sum of its proper divisors (38125817).

190629055 is an equidigital number, since it uses as much as digits as its factorization.

190629055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38125816.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 190629055 is about 13806.8481196832. The cubic root of 190629055 is about 575.5234603031.

The spelling of 190629055 in words is "one hundred ninety million, six hundred twenty-nine thousand, fifty-five".

Divisors: 1 5 38125811 190629055