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3145444330 = 25754183059
BaseRepresentation
bin1011101101111011…
…1010101111101010
322010012201010110011
42323132322233222
522420213204310
61240041442134
7140642556430
oct27336725752
98105633404
103145444330
111374580976
127394a034a
133b1879982
1421ba66d50
1513622378a
hexbb7babea

3145444330 has 32 divisors (see below), whose sum is σ = 6482666880. Its totient is φ = 1076431680.

The previous prime is 3145444303. The next prime is 3145444381. The reversal of 3145444330 is 334445413.

It is a junction number, because it is equal to n+sod(n) for n = 3145444292 and 3145444301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660 + ... + 79399.

It is an arithmetic number, because the mean of its divisors is an integer number (202583340).

Almost surely, 23145444330 is an apocalyptic number.

3145444330 is an abundant number, since it is smaller than the sum of its proper divisors (3337222550).

3145444330 is a wasteful number, since it uses less digits than its factorization.

3145444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83614.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 3145444330 is about 56084.2609829175. The cubic root of 3145444330 is about 1465.1901860278.

Adding to 3145444330 its reverse (334445413), we get a palindrome (3479889743).

The spelling of 3145444330 in words is "three billion, one hundred forty-five million, four hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 541 1082 2705 3787 5410 7574 18935 37870 83059 166118 415295 581413 830590 1162826 2907065 5814130 44934919 89869838 224674595 314544433 449349190 629088866 1572722165 3145444330