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1047242260 = 225373140381
BaseRepresentation
bin111110011010111…
…010011000010100
32200222120102022101
4332122322120110
54121043223020
6251530011444
734644261301
oct7632723024
92628512271
101047242260
11498160679
12252876b84
13138c6b29c
149d1280a8
1561e1400a
hex3e6ba614

1047242260 has 24 divisors (see below), whose sum is σ = 2205120456. Its totient is φ = 417770880.

The previous prime is 1047242257. The next prime is 1047242267. The reversal of 1047242260 is 622427401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 312723856 + 734518404 = 17684^2 + 27102^2 .

It is a super-2 number, since 2×10472422602 = 2193432702259815200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047242267) 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, 62731 + ... + 77650.

It is an arithmetic number, because the mean of its divisors is an integer number (91880019).

Almost surely, 21047242260 is an apocalyptic number.

1047242260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047242260 is an abundant number, since it is smaller than the sum of its proper divisors (1157878196).

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

1047242260 is a wasteful number, since it uses less digits than its factorization.

1047242260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140763 (or 140761 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1047242260 is about 32361.1226628496. The cubic root of 1047242260 is about 1015.5057490723.

Adding to 1047242260 its reverse (622427401), we get a palindrome (1669669661).

The spelling of 1047242260 in words is "one billion, forty-seven million, two hundred forty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 373 746 1492 1865 3730 7460 140381 280762 561524 701905 1403810 2807620 52362113 104724226 209448452 261810565 523621130 1047242260