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2990398 = 21639173
BaseRepresentation
bin1011011010000100111110
312121221001111
423122010332
51231143043
6144032234
734263235
oct13320476
95557044
102990398
111762804
12100267a
13809188
1457bb1c
153e109d
hex2da13e

2990398 has 8 divisors (see below), whose sum is σ = 4513608. Its totient is φ = 1485864.

The previous prime is 2990381. The next prime is 2990401. The reversal of 2990398 is 8930992.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2990398.

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, 4261 + ... + 4912.

It is an arithmetic number, because the mean of its divisors is an integer number (564201).

22990398 is an apocalyptic number.

2990398 is a deficient number, since it is larger than the sum of its proper divisors (1523210).

2990398 is a wasteful number, since it uses less digits than its factorization.

2990398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2990398 is about 1729.2767274210. The cubic root of 2990398 is about 144.0709205697.

The spelling of 2990398 in words is "two million, nine hundred ninety thousand, three hundred ninety-eight".

Divisors: 1 2 163 326 9173 18346 1495199 2990398