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2148398 = 27153457
BaseRepresentation
bin1000001100100000101110
311001011001022
420030200232
51022222043
6114014142
724155360
oct10144056
94034038
102148398
11123813a
12877352
135a2b55
143dcd30
152c6868
hex20c82e

2148398 has 8 divisors (see below), whose sum is σ = 3682992. Its totient is φ = 920736.

The previous prime is 2148397. The next prime is 2148401. The reversal of 2148398 is 8938412.

It is a happy number.

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

It is a super-2 number, since 2×21483982 = 9231227932808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148397) 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, 76715 + ... + 76742.

It is an arithmetic number, because the mean of its divisors is an integer number (460374).

22148398 is an apocalyptic number.

2148398 is a deficient number, since it is larger than the sum of its proper divisors (1534594).

2148398 is a wasteful number, since it uses less digits than its factorization.

2148398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153466.

The product of its digits is 13824, while the sum is 35.

The square root of 2148398 is about 1465.7414505976. The cubic root of 2148398 is about 129.0342236381.

The spelling of 2148398 in words is "two million, one hundred forty-eight thousand, three hundred ninety-eight".

Divisors: 1 2 7 14 153457 306914 1074199 2148398