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2387040 = 25354973
BaseRepresentation
bin1001000110110001100000
311111021101220
421012301200
51102341130
6123055040
726201205
oct11066140
94437356
102387040
111390467
12971480
13657666
14461cac
15322410
hex246c60

2387040 has 48 divisors (see below), whose sum is σ = 7520688. Its totient is φ = 636416.

The previous prime is 2387039. The next prime is 2387041. The reversal of 2387040 is 407832.

It is an interprime number because it is at equal distance from previous prime (2387039) and next prime (2387041).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2387040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (156681).

22387040 is an apocalyptic number.

2387040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2387040 is an abundant number, since it is smaller than the sum of its proper divisors (5133648).

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

2387040 is a wasteful number, since it uses less digits than its factorization.

2387040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2387040 is about 1545.0048543613. The cubic root of 2387040 is about 133.6451590558.

The spelling of 2387040 in words is "two million, three hundred eighty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 4973 9946 14919 19892 24865 29838 39784 49730 59676 74595 79568 99460 119352 149190 159136 198920 238704 298380 397840 477408 596760 795680 1193520 2387040