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10191045 = 35679403
BaseRepresentation
bin100110111000…
…000011000101
3201011202111010
4212320003011
510102103140
61002232433
7152423334
oct46700305
921152433
1010191045
115830757
1234b5719
13215a807
1414d3d1b
15d64880
hex9b80c5

10191045 has 8 divisors (see below), whose sum is σ = 16305696. Its totient is φ = 5435216.

The previous prime is 10191037. The next prime is 10191059. The reversal of 10191045 is 54019101.

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 10191045 - 23 = 10191037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339687 + ... + 339716.

It is an arithmetic number, because the mean of its divisors is an integer number (2038212).

Almost surely, 210191045 is an apocalyptic number.

10191045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10191045 is a deficient number, since it is larger than the sum of its proper divisors (6114651).

10191045 is an equidigital number, since it uses as much as digits as its factorization.

10191045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679411.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10191045 is about 3192.3416170579. The cubic root of 10191045 is about 216.8068034906.

The spelling of 10191045 in words is "ten million, one hundred ninety-one thousand, forty-five".

Divisors: 1 3 5 15 679403 2038209 3397015 10191045