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2494830 = 235136397
BaseRepresentation
bin1001100001000101101110
311200202021010
421201011232
51114313310
6125250050
730130362
oct11410556
94622233
102494830
111454448
12a03926
13694740
1448d2a2
15344320
hex26116e

2494830 has 32 divisors (see below), whose sum is σ = 6449184. Its totient is φ = 614016.

The previous prime is 2494829. The next prime is 2494831. The reversal of 2494830 is 384942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2494829) and next prime (2494831).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494831) 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, 2809 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (201537).

22494830 is an apocalyptic number.

2494830 is an abundant number, since it is smaller than the sum of its proper divisors (3954354).

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

2494830 is a wasteful number, since it uses less digits than its factorization.

2494830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2494830 is about 1579.5030864167. The cubic root of 2494830 is about 135.6272593365.

The spelling of 2494830 in words is "two million, four hundred ninety-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 6397 12794 19191 31985 38382 63970 83161 95955 166322 191910 249483 415805 498966 831610 1247415 2494830