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2875480 = 23571887
BaseRepresentation
bin1010111110000001011000
312102002102021
422332001120
51214003410
6141344224
733304216
oct12760130
95362367
102875480
111694433
12b68074
13798a8a
1454bcb6
153bbeda
hex2be058

2875480 has 16 divisors (see below), whose sum is σ = 6469920. Its totient is φ = 1150176.

The previous prime is 2875469. The next prime is 2875489. The reversal of 2875480 is 845782.

2875480 = T359 + T360 + ... + T398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2875489) 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, 35904 + ... + 35983.

It is an arithmetic number, because the mean of its divisors is an integer number (404370).

22875480 is an apocalyptic number.

2875480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2875480 is an abundant number, since it is smaller than the sum of its proper divisors (3594440).

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

2875480 is a wasteful number, since it uses less digits than its factorization.

2875480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71898 (or 71894 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2875480 is about 1695.7240341518. The cubic root of 2875480 is about 142.2012619212.

The spelling of 2875480 in words is "two million, eight hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 71887 143774 287548 359435 575096 718870 1437740 2875480