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5454646440 = 233545455387
BaseRepresentation
bin1010001010001111…
…10100110010101000
3112002010212202020020
411011013310302220
542132342141230
62301132000440
7252112505205
oct50507646250
915063782206
105454646440
11234a007671
121082900120
1368c0c4459
1439a60ccac
1521dd11810
hex1451f4ca8

5454646440 has 32 divisors (see below), whose sum is σ = 16363939680. Its totient is φ = 1454572352.

The previous prime is 5454646423. The next prime is 5454646451. The reversal of 5454646440 is 446464545.

It is a junction number, because it is equal to n+sod(n) for n = 5454646392 and 5454646401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22727574 + ... + 22727813.

It is an arithmetic number, because the mean of its divisors is an integer number (511373115).

Almost surely, 25454646440 is an apocalyptic number.

It is an amenable number.

5454646440 is an abundant number, since it is smaller than the sum of its proper divisors (10909293240).

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

5454646440 is a wasteful number, since it uses less digits than its factorization.

5454646440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45455401 (or 45455397 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The square root of 5454646440 is about 73855.5782591945. The cubic root of 5454646440 is about 1760.3088344063.

The spelling of 5454646440 in words is "five billion, four hundred fifty-four million, six hundred forty-six thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 45455387 90910774 136366161 181821548 227276935 272732322 363643096 454553870 545464644 681830805 909107740 1090929288 1363661610 1818215480 2727323220 5454646440