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190213550 = 2523804271
BaseRepresentation
bin10110101011001…
…10110110101110
3111020220211221022
423111212312232
5342143313200
630512534142
74466534312
oct1325466656
9436824838
10190213550
119840928a
1253851352
133053b9c7
141b395b42
1511a74885
hexb566dae

190213550 has 12 divisors (see below), whose sum is σ = 353797296. Its totient is φ = 76085400.

The previous prime is 190213537. The next prime is 190213567. The reversal of 190213550 is 55312091.

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 5 ways as a sum of consecutive naturals, for example, 1902086 + ... + 1902185.

It is an arithmetic number, because the mean of its divisors is an integer number (29483108).

Almost surely, 2190213550 is an apocalyptic number.

190213550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190213550 is a deficient number, since it is larger than the sum of its proper divisors (163583746).

190213550 is a wasteful number, since it uses less digits than its factorization.

190213550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804283 (or 3804278 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 190213550 is about 13791.7928493724. The cubic root of 190213550 is about 575.1050091770.

The spelling of 190213550 in words is "one hundred ninety million, two hundred thirteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 3804271 7608542 19021355 38042710 95106775 190213550