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2890740 = 223548179
BaseRepresentation
bin1011000001101111110100
312102212100110
423001233310
51220000430
6141543020
733366546
oct13015764
95385313
102890740
1116a4946
12b74a70
137a29c8
14553696
153c17b0
hex2c1bf4

2890740 has 24 divisors (see below), whose sum is σ = 8094240. Its totient is φ = 770848.

The previous prime is 2890739. The next prime is 2890753. The reversal of 2890740 is 470982.

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

It is a junction number, because it is equal to n+sod(n) for n = 2890698 and 2890707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24030 + ... + 24149.

It is an arithmetic number, because the mean of its divisors is an integer number (337260).

22890740 is an apocalyptic number.

2890740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890740 is an abundant number, since it is smaller than the sum of its proper divisors (5203500).

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

2890740 is a wasteful number, since it uses less digits than its factorization.

2890740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48191 (or 48189 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2890740 is about 1700.2176331282. The cubic root of 2890740 is about 142.4523694306.

The spelling of 2890740 in words is "two million, eight hundred ninety thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 48179 96358 144537 192716 240895 289074 481790 578148 722685 963580 1445370 2890740