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2972406 = 23495401
BaseRepresentation
bin1011010101101011110110
312121000101010
423111223312
51230104111
6143413050
734156623
oct13255366
95530333
102972406
111750238
12bb4186
13800c28
1457534a
153daaa6
hex2d5af6

2972406 has 8 divisors (see below), whose sum is σ = 5944824. Its totient is φ = 990800.

The previous prime is 2972383. The next prime is 2972419. The reversal of 2972406 is 6042792.

It is a happy number.

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

2972406 is an admirable number.

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, 247695 + ... + 247706.

It is an arithmetic number, because the mean of its divisors is an integer number (743103).

22972406 is an apocalyptic number.

2972406 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.

2972406 is a wasteful number, since it uses less digits than its factorization.

2972406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495406.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2972406 is about 1724.0667040460. The cubic root of 2972406 is about 143.7814005758.

The spelling of 2972406 in words is "two million, nine hundred seventy-two thousand, four hundred six".

Divisors: 1 2 3 6 495401 990802 1486203 2972406