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48966990 = 23519271317
BaseRepresentation
bin1011101011001…
…0110101001110
310102010210002020
42322302311032
5100013420430
64505311010
71133132622
oct272626516
9112123066
1048966990
1125705696
1214495466
13a1b6167
146709182
154473b10
hex2eb2d4e

48966990 has 64 divisors (see below), whose sum is σ = 124554240. Its totient is φ = 12286080.

The previous prime is 48966979. The next prime is 48967003. The reversal of 48966990 is 9966984.

It is a super-2 number, since 2×489669902 = 4795532219320200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154312 + ... + 154628.

It is an arithmetic number, because the mean of its divisors is an integer number (1946160).

Almost surely, 248966990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48966990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62277120).

48966990 is an abundant number, since it is smaller than the sum of its proper divisors (75587250).

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

48966990 is a wasteful number, since it uses less digits than its factorization.

48966990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 48966990 is about 6997.6417456169. The cubic root of 48966990 is about 365.8483799705.

The spelling of 48966990 in words is "forty-eight million, nine hundred sixty-six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 271 285 317 542 570 634 813 951 1355 1585 1626 1902 2710 3170 4065 4755 5149 6023 8130 9510 10298 12046 15447 18069 25745 30115 30894 36138 51490 60230 77235 85907 90345 154470 171814 180690 257721 429535 515442 859070 1288605 1632233 2577210 3264466 4896699 8161165 9793398 16322330 24483495 48966990