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3143030440 = 2351129246319
BaseRepresentation
bin1011101101010110…
…1101011010101000
322010001011111012211
42323111231122220
522414103433230
61235514014504
7140613214024
oct27325553250
98101144184
103143030440
111373182320
12738717434
133b1213034
1421b5d9384
15135de842a
hexbb56d6a8

3143030440 has 64 divisors (see below), whose sum is σ = 7980768000. Its totient is φ = 1103504640.

The previous prime is 3143030437. The next prime is 3143030441. The reversal of 3143030440 is 440303413.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (3143030441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110400 + ... + 135919.

It is an arithmetic number, because the mean of its divisors is an integer number (124699500).

Almost surely, 23143030440 is an apocalyptic number.

It is an amenable number.

3143030440 is an abundant number, since it is smaller than the sum of its proper divisors (4837737560).

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

3143030440 is a wasteful number, since it uses less digits than its factorization.

3143030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246370 (or 246366 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3143030440 is about 56062.7366438707. The cubic root of 3143030440 is about 1464.8152826547.

Adding to 3143030440 its reverse (440303413), we get a palindrome (3583333853).

The spelling of 3143030440 in words is "three billion, one hundred forty-three million, thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 29 40 44 55 58 88 110 116 145 220 232 290 319 440 580 638 1160 1276 1595 2552 3190 6380 12760 246319 492638 985276 1231595 1970552 2463190 2709509 4926380 5419018 7143251 9852760 10838036 13547545 14286502 21676072 27095090 28573004 35716255 54190180 57146008 71432510 78575761 108380360 142865020 157151522 285730040 314303044 392878805 628606088 785757610 1571515220 3143030440