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2972208 = 243193259
BaseRepresentation
bin1011010101101000110000
312121000002210
423111220300
51230102313
6143412120
734156221
oct13255060
95530083
102972208
111750078
12bb4040
13800b05
14575248
153da9c3
hex2d5a30

2972208 has 40 divisors (see below), whose sum is σ = 8084800. Its totient is φ = 938304.

The previous prime is 2972197. The next prime is 2972219. The reversal of 2972208 is 8022792.

It is an interprime number because it is at equal distance from previous prime (2972197) and next prime (2972219).

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, 718 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (202120).

22972208 is an apocalyptic number.

It is an amenable number.

2972208 is an abundant number, since it is smaller than the sum of its proper divisors (5112592).

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

2972208 is a wasteful number, since it uses less digits than its factorization.

2972208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2972208 is about 1724.0092807175. The cubic root of 2972208 is about 143.7782079490.

The spelling of 2972208 in words is "two million, nine hundred seventy-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 3259 6518 9777 13036 19554 26072 39108 52144 61921 78216 123842 156432 185763 247684 371526 495368 743052 990736 1486104 2972208