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45680448 = 2631143503
BaseRepresentation
bin1010111001000…
…0011101000000
310011221210210110
42232100131000
543143233243
64311031320
71063164102
oct256203500
9104853713
1045680448
1123870440
121336b540
139605268
1460d1572
154024e33
hex2b90740

45680448 has 112 divisors (see below), whose sum is σ = 135184896. Its totient is φ = 13493760.

The previous prime is 45680443. The next prime is 45680449. The reversal of 45680448 is 84408654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45680441) 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, 90565 + ... + 91067.

It is an arithmetic number, because the mean of its divisors is an integer number (1207008).

Almost surely, 245680448 is an apocalyptic number.

45680448 is a gapful number since it is divisible by the number (48) 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 45680448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67592448).

45680448 is an abundant number, since it is smaller than the sum of its proper divisors (89504448).

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

45680448 is a wasteful number, since it uses less digits than its factorization.

45680448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 45680448 is about 6758.7312418826. The cubic root of 45680448 is about 357.4731699427.

The spelling of 45680448 in words is "forty-five million, six hundred eighty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 43 44 48 64 66 86 88 96 129 132 172 176 192 258 264 344 352 473 503 516 528 688 704 946 1006 1032 1056 1376 1419 1509 1892 2012 2064 2112 2752 2838 3018 3784 4024 4128 5533 5676 6036 7568 8048 8256 11066 11352 12072 15136 16096 16599 21629 22132 22704 24144 30272 32192 33198 43258 44264 45408 48288 64887 66396 86516 88528 90816 96576 129774 132792 173032 177056 237919 259548 265584 346064 354112 475838 519096 531168 692128 713757 951676 1038192 1062336 1384256 1427514 1903352 2076384 2855028 3806704 4152768 5710056 7613408 11420112 15226816 22840224 45680448