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3070240 = 25531619
BaseRepresentation
bin1011101101100100100000
312202222120121
423231210200
51241221430
6145450024
735045065
oct13554440
95688517
103070240
111807798
121040914
13836614
1459cc6c
15409a7a
hex2ed920

3070240 has 48 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1186560.

The previous prime is 3070213. The next prime is 3070273. The reversal of 3070240 is 420703.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 4651 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 23070240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3070240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

3070240 is an abundant number, since it is smaller than the sum of its proper divisors (4429280).

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

3070240 is a wasteful number, since it uses less digits than its factorization.

3070240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 3070240 is about 1752.2100330725. The cubic root of 3070240 is about 145.3418805586.

3070240 divided by its sum of digits (16) gives a triangular number (191890 = T619).

Adding to 3070240 its reverse (420703), we get a palindrome (3490943).

The spelling of 3070240 in words is "three million, seventy thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 619 620 992 1238 1240 2476 2480 3095 4952 4960 6190 9904 12380 19189 19808 24760 38378 49520 76756 95945 99040 153512 191890 307024 383780 614048 767560 1535120 3070240