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3056664420 = 2232549934031
BaseRepresentation
bin1011011000110000…
…1111111101100100
321220000122122022100
42312030033331210
522230001230140
61223150532100
7135514135035
oct26614177544
97800578270
103056664420
111329453247
12713807030
13399364194
1420dd56a8c
1512d538530
hexb630ff64

3056664420 has 72 divisors (see below), whose sum is σ = 9290736000. Its totient is φ = 813453120.

The previous prime is 3056664397. The next prime is 3056664427. The reversal of 3056664420 is 244666503.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3056664427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72805 + ... + 106835.

It is an arithmetic number, because the mean of its divisors is an integer number (129038000).

Almost surely, 23056664420 is an apocalyptic number.

3056664420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3056664420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645368000).

3056664420 is an abundant number, since it is smaller than the sum of its proper divisors (6234071580).

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

3056664420 is a wasteful number, since it uses less digits than its factorization.

3056664420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34545 (or 34540 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3056664420 is about 55287.1089857301. The cubic root of 3056664420 is about 1451.2734623088.

The spelling of 3056664420 in words is "three billion, fifty-six million, six hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 499 998 1497 1996 2495 2994 4491 4990 5988 7485 8982 9980 14970 17964 22455 29940 34031 44910 68062 89820 102093 136124 170155 204186 306279 340310 408372 510465 612558 680620 1020930 1225116 1531395 2041860 3062790 6125580 16981469 33962938 50944407 67925876 84907345 101888814 152833221 169814690 203777628 254722035 305666442 339629380 509444070 611332884 764166105 1018888140 1528332210 3056664420