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2388090 = 235233461
BaseRepresentation
bin1001000111000001111010
311111022211210
421013001322
51102404330
6123103550
726204235
oct11070172
94438753
102388090
111391231
12971bb6
13657c93
1446241c
153228b0
hex24707a

2388090 has 32 divisors (see below), whose sum is σ = 5982336. Its totient is φ = 608960.

The previous prime is 2388083. The next prime is 2388097. The reversal of 2388090 is 908832.

2388090 = 2082 + 2092 + ... + 2522.

It is an interprime number because it is at equal distance from previous prime (2388083) and next prime (2388097).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2388097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (186948).

22388090 is an apocalyptic number.

2388090 is an abundant number, since it is smaller than the sum of its proper divisors (3594246).

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

2388090 is a wasteful number, since it uses less digits than its factorization.

2388090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2388090 is about 1545.3446217592. The cubic root of 2388090 is about 133.6647519192.

The spelling of 2388090 in words is "two million, three hundred eighty-eight thousand, ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 3461 6922 10383 17305 20766 34610 51915 79603 103830 159206 238809 398015 477618 796030 1194045 2388090