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190553998 = 2297132069
BaseRepresentation
bin10110101101110…
…01111110001110
3111021120010221111
423112321332032
5342240211443
630524122234
74502453005
oct1326717616
9437503844
10190553998
1198621048
125399637a
133062a95b
141b443c3c
1511ae069d
hexb5b9f8e

190553998 has 8 divisors (see below), whose sum is σ = 285936120. Its totient is φ = 95241960.

The previous prime is 190553977. The next prime is 190554029. The reversal of 190553998 is 899355091.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10093 + ... + 21976.

It is an arithmetic number, because the mean of its divisors is an integer number (35742015).

Almost surely, 2190553998 is an apocalyptic number.

190553998 is a deficient number, since it is larger than the sum of its proper divisors (95382122).

190553998 is a wasteful number, since it uses less digits than its factorization.

190553998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35042.

The product of its (nonzero) digits is 437400, while the sum is 49.

The square root of 190553998 is about 13804.1297443917. The cubic root of 190553998 is about 575.4479161440.

The spelling of 190553998 in words is "one hundred ninety million, five hundred fifty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 2971 5942 32069 64138 95276999 190553998