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2378488 = 23742473
BaseRepresentation
bin1001000100101011111000
311110211200011
421010223320
51102102423
6122551304
726134240
oct11045370
94424604
102378488
111384aa2
12968534
136537b8
1445cb20
1531eb0d
hex244af8

2378488 has 16 divisors (see below), whose sum is σ = 5096880. Its totient is φ = 1019328.

The previous prime is 2378483. The next prime is 2378491. The reversal of 2378488 is 8848732.

It is a super-2 number, since 2×23784882 = 11314410332288, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 221 + 38 + 73 + 84 + 49 + 84 + 84 .

It is a self number, because there is not a number n which added to its sum of digits gives 2378488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378483) 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, 21181 + ... + 21292.

It is an arithmetic number, because the mean of its divisors is an integer number (318555).

22378488 is an apocalyptic number.

2378488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2378488 is an abundant number, since it is smaller than the sum of its proper divisors (2718392).

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

2378488 is a wasteful number, since it uses less digits than its factorization.

2378488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42486 (or 42482 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 2378488 is about 1542.2347421842. The cubic root of 2378488 is about 133.4853654697.

The spelling of 2378488 in words is "two million, three hundred seventy-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 42473 84946 169892 297311 339784 594622 1189244 2378488