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2190472 = 231914411
BaseRepresentation
bin1000010110110010001000
311010021202121
420112302020
51030043342
6114541024
724422134
oct10266210
94107677
102190472
111266809
12897774
135b904b
144103c4
152d4067
hex216c88

2190472 has 16 divisors (see below), whose sum is σ = 4323600. Its totient is φ = 1037520.

The previous prime is 2190469. The next prime is 2190473. The reversal of 2190472 is 2740912.

It is not an unprimeable number, because it can be changed into a prime (2190473) 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, 7054 + ... + 7357.

It is an arithmetic number, because the mean of its divisors is an integer number (270225).

22190472 is an apocalyptic number.

It is an amenable number.

2190472 is a deficient number, since it is larger than the sum of its proper divisors (2133128).

2190472 is a wasteful number, since it uses less digits than its factorization.

2190472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436 (or 14432 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2190472 is about 1480.0243241244. The cubic root of 2190472 is about 129.8711148659.

It can be divided in two parts, 2190 and 472, that added together give a palindrome (2662).

The spelling of 2190472 in words is "two million, one hundred ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 14411 28822 57644 115288 273809 547618 1095236 2190472