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20107398 = 233351233
BaseRepresentation
bin100110010110…
…1000010000110
31101211120011110
41030231002012
520121414043
61554545450
7332624103
oct114550206
941746143
1020107398
1110393a93
126898286
13422028c
142955aaa
151b72b33
hex132d086

20107398 has 8 divisors (see below), whose sum is σ = 40214808. Its totient is φ = 6702464.

The previous prime is 20107397. The next prime is 20107429. The reversal of 20107398 is 89370102.

It is a happy number.

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

20107398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675611 + ... + 1675622.

It is an arithmetic number, because the mean of its divisors is an integer number (5026851).

Almost surely, 220107398 is an apocalyptic number.

20107398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20107398 is a wasteful number, since it uses less digits than its factorization.

20107398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351238.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 20107398 is about 4484.1273398511. The cubic root of 20107398 is about 271.9267662559.

The spelling of 20107398 in words is "twenty million, one hundred seven thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 3351233 6702466 10053699 20107398