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48990828 = 223231391277
BaseRepresentation
bin1011101011100…
…0101001101100
310102011222210010
42322320221230
5100020201303
64510013220
71133262255
oct272705154
9112158703
1048990828
1125721597
12144a7210
13a1c3c73
146713b2c
15447ac03
hex2eb8a6c

48990828 has 48 divisors (see below), whose sum is σ = 120234240. Its totient is φ = 15495744.

The previous prime is 48990763. The next prime is 48990829. The reversal of 48990828 is 82809984.

It is not an unprimeable number, because it can be changed into a prime (48990829) 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, 37726 + ... + 39002.

It is an arithmetic number, because the mean of its divisors is an integer number (2504880).

Almost surely, 248990828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48990828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60117120).

48990828 is an abundant number, since it is smaller than the sum of its proper divisors (71243412).

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

48990828 is a wasteful number, since it uses less digits than its factorization.

48990828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 48990828 is about 6999.3448264820. The cubic root of 48990828 is about 365.9077375014.

The spelling of 48990828 in words is "forty-eight million, nine hundred ninety thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 139 276 278 417 556 834 1277 1668 2554 3197 3831 5108 6394 7662 9591 12788 15324 19182 29371 38364 58742 88113 117484 176226 177503 352452 355006 532509 710012 1065018 2130036 4082569 8165138 12247707 16330276 24495414 48990828