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49477960 = 2357832129
BaseRepresentation
bin1011110010111…
…1100101001000
310110002202000001
42330233211020
5100131243320
64524252344
71140361420
oct274574510
9113082001
1049477960
1125a24584
12146a10b4
13a3348cc
1467dd480
15452520a
hex2f2f948

49477960 has 64 divisors (see below), whose sum is σ = 128822400. Its totient is φ = 16751616.

The previous prime is 49477951. The next prime is 49477963. The reversal of 49477960 is 6977494.

It is a self number, because there is not a number n which added to its sum of digits gives 49477960.

It is not an unprimeable number, because it can be changed into a prime (49477963) 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, 22176 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (2012850).

Almost surely, 249477960 is an apocalyptic number.

49477960 is a gapful number since it is divisible by the number (40) 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 49477960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64411200).

49477960 is an abundant number, since it is smaller than the sum of its proper divisors (79344440).

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

49477960 is a wasteful number, since it uses less digits than its factorization.

49477960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 49477960 is about 7034.0571507488. The cubic root of 49477960 is about 367.1165204041.

The spelling of 49477960 in words is "forty-nine million, four hundred seventy-seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 83 140 166 280 332 415 581 664 830 1162 1660 2129 2324 2905 3320 4258 4648 5810 8516 10645 11620 14903 17032 21290 23240 29806 42580 59612 74515 85160 119224 149030 176707 298060 353414 596120 706828 883535 1236949 1413656 1767070 2473898 3534140 4947796 6184745 7068280 9895592 12369490 24738980 49477960