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49442680 = 2357296089
BaseRepresentation
bin1011110010011…
…0111101111000
310110000221121101
42330212331320
5100124131210
64523421144
71140153520
oct274467570
9113027541
1049442680
1125a00021
12146847b4
13a321831
1467d0680
154519a3a
hex2f26f78

49442680 has 64 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 16364544.

The previous prime is 49442677. The next prime is 49442699. The reversal of 49442680 is 8624494.

It is a congruent number.

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, 5076 + ... + 11164.

It is an arithmetic number, because the mean of its divisors is an integer number (2055375).

Almost surely, 249442680 is an apocalyptic number.

49442680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

49442680 is the 4060-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49442680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65772000).

49442680 is an abundant number, since it is smaller than the sum of its proper divisors (82101320).

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

49442680 is a wasteful number, since it uses less digits than its factorization.

49442680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136 (or 6132 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 49442680 is about 7031.5489047578. The cubic root of 49442680 is about 367.0292428198.

The spelling of 49442680 in words is "forty-nine million, four hundred forty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 406 580 812 1015 1160 1624 2030 4060 6089 8120 12178 24356 30445 42623 48712 60890 85246 121780 170492 176581 213115 243560 340984 353162 426230 706324 852460 882905 1236067 1412648 1704920 1765810 2472134 3531620 4944268 6180335 7063240 9888536 12360670 24721340 49442680