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245702040 = 23352047517
BaseRepresentation
bin11101010010100…
…01110110011000
3122010022221211120
432221101312120
51000344431130
640214125240
76042301323
oct1651216630
9563287746
10245702040
11116768641
126a350820
133bb9932c
14248bb7ba
1516885910
hexea51d98

245702040 has 32 divisors (see below), whose sum is σ = 737106480. Its totient is φ = 65520512.

The previous prime is 245702029. The next prime is 245702059. The reversal of 245702040 is 40207542.

245702040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245702040.

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, 1023639 + ... + 1023878.

Almost surely, 2245702040 is an apocalyptic number.

245702040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245702040 is an abundant number, since it is smaller than the sum of its proper divisors (491404440).

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

245702040 is a wasteful number, since it uses less digits than its factorization.

245702040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047531 (or 2047527 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 245702040 is about 15674.8856455159. The cubic root of 245702040 is about 626.3295770209.

Adding to 245702040 its reverse (40207542), we get a palindrome (285909582).

The spelling of 245702040 in words is "two hundred forty-five million, seven hundred two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2047517 4095034 6142551 8190068 10237585 12285102 16380136 20475170 24570204 30712755 40950340 49140408 61425510 81900680 122851020 245702040